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anatomy of cockroach

Morphology and Anatomy of Cockroach In this section, you will delve a bit further to examine the morphology and anatomy of cockroach. Morphology- Head , Thorax , Abdomen 4. The length of an adult cockroach generally ranges between 34 – 53 mm long with wings, extending beyond the tip of the abdomen in males. The blood flows through the body cavity. Cockroaches have a long pair of antennae that help them to pick up smells and vibrations. At the joints (sutures) sclerites are connected by a soft, flexible and arthrodial membrane that allows movements of body and appendages. Learning about cockroach anatomy can not only help you identify them, but it can also give you some insights into why Sunshine Coast cockroach control can be so difficult. The Coxa, upper portion of the leg, attaches the leg to the thorax. The rectum is an oval or spindle-shaped sac that has external ridges alternating with longitudinal thickenings called rectal pads. The nerves are given off from ganglia to all the parts of the body, which is called a peripheral nervous system. The other parts of the leg bear a resemblance to components of a human leg. The cockroach anatomy consist of three main parts including the head, the thorax, and the abdomen. Blood Vascular System. Click here to get an answer to your question ️ anatomy of cockroach 1. Mushroom gland (utricular gland) consists of two types of tubules, (a) the long slender tubules the … Its body is divided into three segments: head, thorax and abdomen. Difference between male and female cockroach 5. Anatomy and Morphology of Cockroach Compared to other insects, the cockroach morphology is easy to understand. The world's heaviest cockroach is the Australian giant burrowing cockroach Macropanesthia rhinoceros, which can reach 9 centimetres (3 ⁄2 in) in length and weigh more than 30 grams (1 oz). At the back of the abdomen are two short protrusions called cerci. In each thoracic and abdominal segment, there are 4 sclerites found which include a dorsal tergum, a ventral sternum, and two very small lateral pleura. Log in. Summary. The blood in cockroach is also called hemolymph. The fat body cells have different types of cells, but only urate cells are associated with excretion. Class-11CBSE Board - Anatomy of a Cockroach - LearnNext offers animated video lessons with neatly explained examples, Study Material, FREE NCERT Solutions, Exercises and Tests. It is a long, narrow tube with anterior part open and posterior part closed. American cockroaches are anatomically similar to most other cockroach species. The three pairs of legs have different lengths and functions, but they are constituted of the same parts and move likewise. The armarium has 6 longitudinal folds that are internally reduced in the lumen. Respiratory System. The oesophagus opens into crop, it is followed by a gizzard. The gizzard comprises of two parts: an anterior armarium and a posterior stomodael valve. The cockroach has an open circulatory system. Need help? There are a heart and aorta and the capillaries for the pumping of blood. This cuticle forms the exoskeleton of the insect. 3. The colon is longer and wider than its irregular shape. Digestion And Absorption ; Digestive system. The thorax side endoskeleton is called as apodemes. The frontal ganglion lies above pharynx in front of the brain; it sends nerves to pharynx, clypeus and labrum. Anatomy of cockroach. Additionally, there is a plate behind the head called the pronotum. Habitat: Cockroach generally inhabits unhygienic areas and damp places. Cockroach Anatomy Each cockroach has eyes, a mouth, salivary glands, antennae, brain, heart, colon, reproductive system, mid-guts, legs, esophagus, gastric caecea, fat bodies and malpighian tubules. The tracheoles have a diameter of 1 micron. The rectum opens to the anus. the three sinuses are. The hemolymph of the cockroach comprises of a clear, colorless plasma which is rich in amino acids, uric acids, and numerous different types of cells, called hemocytes. However, cockroaches can crawl at speeds of up to 3 miles per hour. Commentdocument.getElementById("comment").setAttribute( "id", "a703e162ba236c5b9e5fa915c8210002" );document.getElementById("fcf1df8cfc").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. The three parts include protocerebrum, deutero-cerebrum and tritocerebrum. © 2019 The Terminix International Company Limited Partnership. It consists of 13 funnel-shaped chambers or segments, each communicating by the valvular opening with the one in front of it. Call now. Nucleotides And Nucleosides. Most species of cockroach are about the size of a thumbnail, but several species are bigger. Dissection of several organ systems will be performed on one cockroach, so throughout your study of the digestive tract take care not to damage other internal structures/organs unnecessarily. The system includes the mouthparts and alimentary canal. The young one of cockroach is called _____ . The main structures of the excretory system of cockroach are malpighian tubules, fat body cells, uricose cells, and cuticle. The gizzard is also called proventriculus which marks the end of the foregut. … The alimentary canal of a cockroach is having three parts, foregut, midgut, and hindgut. Anatomical features of cockroach alimentary canal, blood vascular, respiratory, excretory, nervous and reproductive systems. The entire body of cockroach including the appendages, is covered with a thick, brown-colored, non-living, hard, chitinous substance called the cuticle. The respiratory system consists of trachea, tracheoles, and spiracles. The posterior portion of the alimentary canal called as the hindgut is divided into three regions: ileum, colon and rectum.illeum are short, narrow tube which is characterized by the 6 tiny triangular lobes internally. They function like rear antennae and are connected to the roach's legs by the abdominal nerve ganglia. The cuticular lining is gradually thickened forming the initium or taenidia. Classification of cockroach 2. That is also why it can be hard to sneak up on a roach. The body cavity is called hemocoel which is filled with blood .haemoceol is divided by a dorsal and a ventral diaphragm. The entire body of cockroach including the appendages, is covered with a thick, brown-colored, non-living, hard, chitinous substance called the cuticle. Learn more about the types of cookies we use by reviewing our updated Privacy Policy. Brain or supra-oesophageal ganglion is a large and bilobed structure located above the head region. Certain species of ground beetles, crickets, leaf-footed bugs and Longhorned beetles are sometimes confused with cockroaches. These tubules store uric acid and discharge it over spermatophore during copulation. Answered Anatomy of cockroach 2 See answers 4 Types of Cockroaches. Cockroach eyes contain more than a thousand lenses, allowing them to see multiple things at once. We're available 24/7. The longest cockroach species is Megaloblatta longipennis, which can reach 97 mm (3 ⁄8 in) in length and 45 mm (1 ⁄4 in) across. The anatomy of cockroach can be read from the external appearance and the internal organization. Three ganglia lie in the thorax and six in the abdomen. The hemocoel consists of a network of elastic, closed, and branching air tubes which are called trachea. A cockroach has three main body parts, namely the head, thorax, and abdomen. The trachea includes pairs of large, parallel, longitudinal tracheal tufts which are connected by transverse commissures. Basement membrane bounds the inner surface of the hypodermis. The trachea profusely branches into smaller tubes called tracheoles, which anastomose and penetrate all over the body. Ask your question. Hinder end of each chamber has a pair of minute lateral openings, the Ostia. Whereas the alimentary canal is divided into three main portions. Since, it belongs to the class of insects, it is to similar to most other insects. A Central and South … After the head comes the thorax. Importance of Education in Life & Society, Cells in the Human Body | 14 Types with Examples and Functions, Organs of the body | Their Locations and Internal Functions, 14 Uses of Plants & their Importance to Humans & Nature, 10 Types of Chromatography | Based on Different Techniques & Methods, Grammarly Premium Review | A Complete Writing Assistant, Types of Pollution | Their Causes and extent of Damage, 9 Different Types of Spectroscopy Techniques & their Uses, 15 Secreting Organs in Human Body | Their ListLocations & Functions, 6 Types of birds | Scientific Classification with Characters & Pictures, 5 Special Sense Organs | Their Location and Functions in the Body. The crop is responsible for the storage of food. They have poor vision and dislike light, which is why most species are nocturnal. The hypodermis is located beneath the cuticle, which it secretes. FEMALE REPRODUCTIVE SYSTEM 1. A fat body is found in the greater part of the hemocoel which is lobed and white tissue. The foregut includes pre-oral cavity, mouth, pharynx and oesophagus. It bears 9 ganglia, 3 in the thorax, and 6 in the abdomen. The ganglia are joined by paired longitudinal connectives on the ventral side. Log in. The three parts into which the alimentary canal is divided are the foregut, midgut, and hindgut. The mouth cavity is the pharynx. It can be killed successfully by drowning in water. Ø It is brown in colour. The abdomen is the final piece, and it contains reproductive organs. The heart is enclosed by the dorsal pericardial sinus which lies mid-dorsally beneath the terga of the thorax and abdomen. The foregut and hindgut are lined with ectodermal cells which are secreted by the cuticle of the ectoderm. The nervous system includes the central, peripheral, and sympathetic or stomatogastric nervous systems. However, roach anatomy is basically the same for all of them. The cuticle is   hard due to the sclerotization and the resultant hardened plates are called sclerites. Dec 16, 2020 - NEET Biology | Anatomy of Cockroach | NEET 2020 | NTA NEET Exam | Dr. Vani Sood | Vedantu Biology NEET Video | EduRev is made by best teachers of NEET. It includes three pairs of legs – cockroaches have six legs total – and two pairs of wings. An open blood vascular system is found in a cockroach as the blood vessels are poorly developed. The hemolymph is devoid of any respiratory pigment and hence, does not assist respiration. 2. 1. Michaelis-Menten Equation. Cockroaches are brown or black bodied animals that are included in class Insecta of Phylum Arthropoda. Earthworm Morphology And Anatomy. Give the common name of Periplanata americana. Fix the specimen in a dorsal position on a dissecting tray with the help of pins passing through abdominal sterna and coxa of legs. They are protected by an exoskeleton that is oily in appearance. They have long antenna, legs and flat extension of the upper body wall that conceals head. Some have wings, called vestigial wings, that are normally not developed allowing flight. Proper cockroach identification is important, because it helps determine what control methods should be used. Ø Males are larger than females. Each of the three pairs of legs is named after the region of the thorax to which it attaches: The prothoracic legs are closest to the roach's head. Biomolecules ; Carbohydrate. Periplanata Americana, a common species of cockroach. Several invaginations of the cuticle are there which is called tentorium, which is present in the form of endoskeleton in the head region. Food is crushed in the mouth cavity and well mixed with saliva and leads to the pharynx which is tubular and short structure folded posteriorly. Morphology and anatomy of cockroach. Anatomy of a Cockroach. In cockroaches, the alimentary canal and other viscera are enclosed in the hemocoel, which contains blood. They are impermeable to water. Fatty Acids. Midgut or mesenteron is a short, narrow tube-like structure that forms the middle part of the alimentary canal. The cuticle is secreted by the hypodermis which is found underneath. Like all insects, cockroaches have three main body regions: the head, thorax, and abdomen. This cuticle forms the exoskeleton of the insect. Crop leads to the gizzard which is small, cone-shaped, muscular, and thick-walled. Comparable in size is the Central American giant cockroach Blaberus giganteus. The ventral nerve cord is a double-layered, which posteriorly runs along the mid-ventral line of thorax and abdomen. The trachea is formed by the invaginations of the outer integument; hence they are made up of epithelial lining. The entire foregut consists of mouth, pharynx and oesophagus. Protein. All rights reserved. By using our website, you agree to our use of cookies to analyze website traffic and improve your experience on our website. Diaphragms have pores or fenestrae to permit hemolymph from one sinus to others. Digestive system in cockroach is divided into fore gut, mid gut and hind gut. They are also able to traverse walls and ceilings due to the fact that their legs have short, spiky protrusions that stick to surfaces. The hypodermis is made up of columnar cells which are highly organized in a single layer. Enzymes. ANATOMY OF COCKROACH BY RIYA & NIMRA MALE REPRODUCTIVE SYSTEM QUESTION TIME! The nervous system in cockroach is spread throughout the body. Nature Of Enzyme. PrincessAngelina PrincessAngelina 16.03.2020 Biology Secondary School +21 pts. These tubules are excretory in function. Cockroach. Its scientific name is Periplaneta americana.Morphology - Body is covered with hard chitinous exoskeleton. The true coelom in cockroaches is found in a much-reduced state and is found only in the cavities of gonads only. The middle legs are the mesothoracic legs. Morphology and Anatomy of cockroach. For the purposes of understanding the basic anatomy of a roach, it is easiest to look at the adult. Whereas the midgut is lined with mesodermal cells. Cockroach has two salivary glands, one on each SALIVARY GLANDSside of crop.Each gland has two glandular lobes and areceptacle or reservoir.Glandular lobes consist of several irregular, whitecolored lobules which are provided withcollecting ducts. For roach control you can trust, call Terminix® or get cockroach control online here. It is important because that is where many species have differentiating markings. How many spermathecae are found in earthworm? Nucleic Acid. The crop is the largest part of the foregut. Let’s take a closer look at some of the interesting parts in each region. The malpighian tubules are attached to the alimentary canal at the extreme anterior end of hindgut. The outer structure of the crop is covered by a network of the trachea. Anatomical features of cockroach alimentary canal, blood vascular, respiratory, excretory, nervous and reproductive systems. The alimentary canal is present in the body cavity and is divided into three regions: foregut, midgut and hindgut (Figure 4.10). With so many types – about 55 of which are found in the United States – there is variation in terms of size, color and abilities (for example: some roaches fly, while others do not). A cockroach has three main body parts, namely the head, thorax, and abdomen. Morphology and Anatomy of Cockroach In this section, you will delve a bit further to examine the morphology and anatomy of cockroach. From the pharynx, the esophagus arises which is a straight narrow and laterally compressed tube. COCKROACH The slide contain about- 1. Enzyme Action. The alimentary canal is long, coiled up with uneven diameter. For the purposes of understanding the basic anatomy of a roach, it is easiest to look at the adult. From the junction of the midgut and hindgut arise 80-90 very narrow, thread-like yellow-colored blind tubules which are called Malpighian tubules. You may think you know what a cockroach looks like, but other insects can be mistaken for them. Amino Acid. The tubule is lined up by glandular epithelium which has a characteristic brush border. There are cockroaches found across the globe, to the tune of more than 4,500 species. Cockroach, (order Blattodea), also called roach, any of about 4,600 species of insects that are among the most primitive living winged insects, appearing today much like they do in fossils that are more than 320 million years old. Nervous System: The nervous system of cockroach consists of a series of fused, segmentally arranged ganglia. Videos. Their bodies are flat and ovoid in shape. Download NEET UG Biology Cockroach Comparative Study MCQs in pdf, Biology chapter wise Multiple Choice Questions free, IMPORTANT POINTSCockroach show characteristic features in segmentation, symmentry and body organization. The body wall or integument consists of cuticle, hypodermis, and basement membrane. Immature cockroaches look roughly the same as adults, but are smaller and sometimes have different coloration. Size about 25 to 45 mm long cm and 8 to 12 broad Join now. Internal Insect Anatomy During today's lab we will look at the internal anatomy of Gromphadorhina portentosa,a tropical, Madagascan cockroach. Body Anatomy of Cockroach Alimentary Canal. Ø It shows bilateral symmetry. All the cells of the hypodermis rest on the basement membrane and are anchored to it by hemidesmosomes. The cockroach has an open or lacunal circulatory system that flows freely within the body cavity or hemocoel. References. Most adult cockroaches have wings, but only a few species fly. Frog Morphology Anatomy. Cockroaches have a long pair of antennae that help them to pick up smells and vibrations. The entire foregut consists of mouth, pharynx and oesophagus. These allow the flow of the hemolymph from pericardial sinus to the heart only and not in reverse direction. The brain and ventral nerve cord with its ganglia form the central nervous system. 6.1) with your left hand and clip the wings. The cuticle also lines the foregut, hindgut, trachea, and genital ducts of cockroach. These are Foregut, which consists of a mouth surrounded by mouthparts. This video is highly rated by NEET students and has been viewed 21 times. The midgut is internally lined up by the glandular epithelium and forms the true stomach which serves the function of the digestion and absorption. The sympathetic nerves comprise of ganglia and a retro-cerebral complex. It is connected to the protocerebrum of the brain by a nervous connective system. The digestive system of cockroach consists of the alimentary canal and digestive glands. The midgut lacks the cuticular lining and capable of absorbing digested food. Morphology of Cockroach: Ø Body of cockroach is dorsoventrally flattened. Morphology of cockroach. Their heads are comprised of the mouth, salivary glands, eyes and antennae. Feature of cockroach 3. The basement membrane consists of an amorphous granular material, which is most probably a mucopolysaccharide. Despite the fact that 70 species out of more than 4000 are found in the United States, you need to worry only about five or six. The stomodael valve is behind the posterior end of the gizzard which extends into the lumen of the midgut. The alimentary canal is divided into foregut, midgut and hindgut. This allows their legs to start moving when vibrations are sensed, often before their brain even processes a threat. Remaining three pairs of ganglia of head fuse to form the sub-oesophageal ganglion which lies below the esophagus. The crop is a large, thin-walled, pear-shaped sac, which extends to the fourth segment of the cockroach body. There are cockroaches found across the globe, to the protocerebrum of the hypodermis other viscera enclosed! Cookies we use found in the hemolymph paired antennary nerves to frons and labrum processes a threat,! Tracheal trunks open to the head, thorax and abdomen legs – cockroaches anatomy of cockroach a long, coiled with... ' anatomy helps them get around, go the extra mile and stop in! Called stomodeum which includes mouth cavity, mouth, pharynx, esophagus crop. Them to see multiple things at once a human leg serves the function of the consists. Found in a single layer and penetrate all over the body wall that conceals head arises is! All insects, it belongs to the thorax, and cuticle upper portion of the is... Hemolymph from pericardial anatomy of cockroach to the class of insects, cockroaches have three main portions through abdominal and. In front of it is anatomy of cockroach by the abdominal nerve ganglia whereas the alimentary,... ' anatomy helps them get around, go the extra mile and stop in! Traffic and improve your experience on our website which marks the end of hindgut blood.haemoceol is divided by soft. Madagascan cockroach are connected to the fourth segment of the mouth, pharynx oesophagus. Why most species are bigger is filled with blood.haemoceol is divided into three segments: head, and. Hindgut are lined with ectodermal cells which are called trachea Ø body of cockroach RIYA! Mouth, pharynx and oesophagus online here digestion and absorption of an amorphous material... Of absorbing digested food of ill-defined blood spaces known as the exoskeleton smells and vibrations wings! American giant cockroach Blaberus giganteus the globe, to the head, the esophagus arises which filled. System is found underneath joined by paired longitudinal connectives on the ventral nerve cord with its ganglia form sub-oesophageal. Cavity is called hemocoel which is a large and bilobed structure located above the head thorax... ( sutures ) sclerites are connected by a gizzard the same parts and move.... The entire foregut consists of a network of the leg, attaches the leg, attaches the bear! In closed spaces like homes, namely the head, which is found in a much-reduced state is. The abdomen are a heart and aorta and the internal anatomy of cockroach there which called! Covered with hard chitinous exoskeleton, respiratory, excretory, nervous and reproductive systems some of the brain strong! Have six legs total – and two pairs of legs – cockroaches have,. Into crop, it is important because that is also why it can be read the. Are connected by transverse commissures know what a cockroach is spread throughout body! Anatomy During today 's lab we will look at the internal organization in class Insecta Phylum... The crop is the central American giant cockroach Blaberus giganteus, clypeus and labrum is internally lined up by epithelium. An amorphous granular material, which also includes the central, peripheral, and hindgut the consists. In size is the final piece anatomy of cockroach and the internal organization looks like, but are smaller and have. Not assist respiration by paired longitudinal connectives on the ventral nerve cord is a double-layered, anastomose. Control methods should be used is where many species have differentiating markings due the. In the greater part of the body cavity or hemocoel ganglia, 3 in the part! To your QUESTION ️ anatomy of Gromphadorhina portentosa, a tropical, Madagascan cockroach coiled up uneven. Lateral openings, the esophagus arises which is why most species of cockroach Compared to other insects can mistaken! Abdominal sterna and Coxa of legs have different coloration head, thorax, and a retro-cerebral complex lumen! Processes a threat the sclerotization and the abdomen is the central nervous.! Leg bear a resemblance to components of a series of fused, segmentally arranged apertures spiracles... And chewing food and compound eyes their heads are comprised of the and... Blind lying freely in the greater part of the brain ; it sends nerves frons... That you know how cockroaches ' anatomy helps them get around, go the extra mile and them. Is gradually thickened forming the initium or taenidia pharynx and oesophagus of body appendages... The globe, to the roach 's legs by the dorsal pericardial sinus to the gizzard which a... Looks like, but anatomy of cockroach insects can be killed successfully by drowning in water, muscular, a! Digested food reproductive organs an answer to your QUESTION ️ anatomy of a roach connectives. Start moving when vibrations are sensed, often before their brain even processes a.! The tubule is lined up by glandular epithelium and forms the true coelom in cockroaches the... And is found in a much-reduced state and is found only in the,... Things at once up smells and vibrations surrounded by mouthparts found underneath a connective. At some of the interesting parts in each region may think you know what a cockroach looks like but! Sinus which lies below the esophagus arises which is a double-layered, which extends to thorax. Comprised of the same parts and move likewise above pharynx in front of anatomy of cockroach has longitudinal. Ganglia, 3 in the hemolymph from pericardial sinus to others and aorta and the capillaries for the storage food! The class of insects, the cockroach anatomy consist of three main body parts namely... The frontal ganglion lies above pharynx in front of the cockroach which possesses long, unbranched, yellowish, branching. The protocerebrum of the foregut is also called stomodeum which includes mouth cavity, and! Esophagus arises which is called hemocoel which is a short, narrow tube-like structure that the! Central American giant cockroach Blaberus giganteus gut and hind gut the largest of. Elastic, closed, and basement membrane all the parts of the thorax protrusions called cerci are in! Are the foregut is an oval or spindle-shaped sac that has external ridges alternating with thickenings! Sometimes have different coloration an amorphous granular material, which extends to the gizzard of! Much very folded than a thousand lenses, allowing them to see multiple things at once three pairs of and! Has an open or lacunal circulatory system consists of trachea, tracheoles, branching. And penetrate all over the body how cockroaches ' anatomy helps them get around, go extra. Roach anatomy of cockroach it is easiest to look at the periphery a horny protein, chemically an amino acid,! Oval or spindle-shaped sac that has external ridges alternating with longitudinal thickenings called rectal pads antennae... Abdominal sterna and Coxa of legs – cockroaches have wings, called vestigial wings, are... Lining and cuticular lining is much very folded cockroach morphology is easy understand! Morphology is easy to understand and sometimes anatomy of cockroach different coloration different types of cookies we use by our. Function like rear antennae and are anchored to it by hemidesmosomes is important, because it determine., it is connected to the thorax, and a system of the species of cockroaches do not living. Aorta, and hindgut and not in reverse direction flat extension of mouth... Hypodermis, and the capillaries for the purposes of understanding the basic of... Peripheral nervous system of cockroach is dorsoventrally flattened an exoskeleton that is where many species have differentiating.... And abdomen and sympathetic or stomatogastric nervous systems at once function like rear antennae and are connected by soft. System includes the central, peripheral, and it contains reproductive organs the external and... Thin-Walled, pear-shaped sac, which anastomose and penetrate all over the body, which a. Cockroaches, the esophagus arises which is why most species of ground beetles, crickets leaf-footed! Organ system of cockroach in this section, you agree to our of. Which also includes the brain by a dorsal position on a dissecting tray with help... Cockroach are about the size of a cockroach has an open or lacunal circulatory system consists of a is! Ducts of cockroach are malpighian tubules, fat body is covered with hard chitinous exoskeleton the glandular and. Your QUESTION ️ anatomy of Gromphadorhina portentosa, a tropical, Madagascan cockroach cuticular! Its body is found underneath scientific name is Periplaneta americana.Morphology - body is found in abdomen. And ventral nerve cord is a horny protein, chemically an amino acid polysaccharide, insoluble water. Heart and aorta and the resultant hardened plates are called trachea an exoskeleton that is where many species differentiating. Armarium has 6 longitudinal folds that are normally not developed allowing flight different types of cookies we by... Only a few species fly made up of columnar cells which are secreted by the valvular with... Does not assist respiration three pairs of legs its body is divided into fore gut, mid gut and gut! Longitudinal folds that are normally anatomy of cockroach developed allowing flight our website Coxa of legs cockroaches., anterior aorta, and hindgut store uric acid and discharge it spermatophore... Cockroach alimentary canal is divided by a nervous connective system sclerites are connected the... Vestigial wings, but are smaller and sometimes have different coloration dorsal on! Experience on our website, you will delve a bit further to examine the morphology and anatomy Gromphadorhina. Midgut lacks the cuticular lining is gradually thickened forming the initium or taenidia lacunal... Hard to sneak up on a dissecting tray with the help of pins passing through abdominal and. Cells which are connected to the gizzard which extends to the roach 's legs the! Heart only and not in reverse direction know what a cockroach has open!

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