how many pairs of spinal nerves are there

Spinal Cord Flashcards | Quizlet In the human body there are 31 pairs of spinal nerves, one on each side of the vertebral column. THE NERVOUS SYSTE1.docx - THE NERVOUS SYSTEM-Lumbar How ... Why are spinal nerves called mixed nerves? Be sure to use the Systems menu on the left side of the . Every head injury must be treated as if there is a _____ Neck injury. T with Tricked, Tasted. List the names and numbers of the 12 pairs of cranial nerves. 5 sacral. Solved How many pairs of spinal nerves are there? (do not ... Distinguish among a motor nerve, sensory nerve and mixed nerve. These nerves pass from the brain through openings in the skull called foramina, to supply various parts of the head and neck, although some have extensions to the body. 12 pairs of cranial nerves according to their position. 100% (1 rating) There are 31 pairs of spinal n …. In humans, there are 31 pairs of spinal nerves: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. There are 31 pairs of spinal nerves in the human body: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. mixed issue from the spinal cord. The pairs of spinal nerves that are attached to the back of the spinal cord are 8 cervical spinal nerve pairs (C1-C8), 12 thoracic pairs (T1-T12), 5 lumbar pairs (L1-L5), 5 sacral pairs (S1-S5), and 1 coccygeal pair. dorsal root. (do not count cranial nerves) Expert Answer. It forms a vital link between the brain and the body. Each root is formed by rootlets which fan out along each segment of the spinal cord. There are 31 pairs of spinal nerves in humans: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. You have 12 cranial nerve pairs. Sacral - 5 pairs of nerves. An athlete must experience how many signs or symptoms to have experienced a concussion. Solved 3. Paired spinal nerves exit the spinal cord along ... How many pairs of lumbar nerves are there? Solved = = 11 + 2 1 3 1 1 4 c. What part of the brain is ... How many pairs of spinal nerves are there? The spinal cord is protected by three layers of connective tissue membranes called the ________. There are eight pairs of cervical nerves designated C1 to C8, twelve thoracic nerves designated T1 to T12, five pairs of lumbar nerves designated L1 to L5, five pairs of sacral nerves designated S1 to S5, and one pair of coccygeal nerves. These nerves are an integral part of the PNS in that they control motor, sensory, and autonomic functions between the spinal cord and the body. Dorsal root ganglion Ventral root O Ventral horn Dorsal horn QUESTION 9 A spinal nerve root is formed when: The dorsal and ventral roots unit. Spinal nerves . Each pair connects the spinal cord with a specific region of the body. There are how many pairs of spinal nerves in a human? Spinal Nerves Flashcards | Quizlet It is a mixed nerve carrying motor, sensory and autonomic signals. ________ is an area on the body monitored by a single sensory neuron. In the dog, there are 36 pairs of spinal nerves. Spinal nerves can be impacted by a variety of medical problems, resulting in pain, weakness, or decreased sensation. What is a plexus? 2. How many pairs of cervical nerves are there? screen to deselect the skeletal, muscular, and digestive systems for the best view of . How many pairs of thoracic spinal nerves are there? There are 31 pairs of spinal nerves in the spinal cord.The human peripheral nervous system has 31 pairs of spinal nerves.31there r 31 spinal nerves in a body31There are 31 total spinal nerve . The sacral nerve is actually a group of five nerves emerging from the sacrum. Spinal nerves are attached to spinal cord. Spinal Nerves: Cervical, Thoracic, Lumbar, Sacral, Coccyxgeal Name the four major pairs of plexuses. Each nerve is formed by dorsal and ventral roots. This bone basically wedges itself between the hip bones. Can you name them? how long are the nerves in the human body - Lisbdnet.com How many pairs of thoracic nerves are there? In total how many pairs of spinal nerves are present 21 12 8 31 In the human body there are 31 pairs of spinal nerves present A spinal nerve is a mixed nerv The spinal cord is divided into five different parts. C. Cranial nerves are designated both by name and by Roman numeral. Mention the primary function of each pair cranial nerves. The spinal nerves include eight pairs of cervical nerves, twelve pairs of thoracic nerves, five pairs of lumbar nerves, 5 pairs of sacral nerves, and 1 pair of coccygeal nerves. Summary of said topic how many pairs of coccygeal spinal nerves are there? How many pairs of spinal nerves are there in the human body? It consists of a brain, a spinal cord, and nerves.The important parts of the frog brain correspond to . The 12 pairs of cranial nerves are part of peripheral nervous system and are mostly concentred with head, neck and facial region of the body (vagus nerve X being the part of autonomous division serves as an exception). What is a plexus? Spinal nerve, in vertebrates, any one of many paired peripheral nerves that arise from the spinal cord. Definition: 2. Select any part of a spinal nerve, and then use the arrow in the content box to choose Peripheral from the selected structures list. a. Match. The brachial plexus may be injured by either excessive _____ or _____ In total, there are 31 different pairs of nerves in the spine. The peripheral nervous system includes 12 cranial nerves and 31 pairs of spinal nerves that provide communication from the CNS to the rest of the body by nerve impulses to regulate the functions of the human body. The cranial nerves emerge from the central nervous system above the level of the first vertebrae of the vertebral column. Can you name them? Lumbar - 5 pairs of nerves. How many pairs of spinal nerves are there? There are 31 pairs of spinal nerves, extends to the first lumbar vertebra (L1). 8 - Cervical. The sacrum is a large triangle-shaped bone located at the bottom of the spine and top of the pelvic cavity. Thoracic - 12 pairs of nerves. - 31 pairs How do you name the spinal nerves? A total of 12 nerves originate from the brain. Here is a visual mnemonic (refer the image) to remember the list . In humans there are 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. In adults, the spinal cord is usually 40cm long and 2cm wide. composed of afferent (sensory) axons traveling to the spinal cord. There are XII cranial nerves on the left hemisphere of the brain and exactly the same on the right hemisphere. 12 thoracic. These mixed nerves that collectively transmit sensory, motor, and autonomic impulses between the spinal cord and the rest of the body. Spinal nerves are also part of your PNS. Such 31 pairs of spinal nerves on each side of the vertebral column are present. Moreover, each spinal nerve derives its name from the level of the vertebral column in which it exits. The dorsal root is formed by axons of afferent neurons (sensory . Spinal nerves. how many pairs of The spinal nerves supply all body parts except the ____ and _____. a. b. spinal nerve, in vertebrates, any one of many paired peripheral nerves that arise from the spinal cord. How many pairs of spinal nerves are there? In humans there are 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. In total, there are 31 different pairs of nerves in the spine. Cranial Nerves to identify the 12 pairs of cranial nerves. plexus formed by spinal nerves L4-S3 (S5) gives rise to nerves that innervate te pelvic limb and pelvic cavity. Each pair connects the spinal cord with a specific region of the body. The spinal cord gives rise to 31 pairs of spinal nerves, which exit the vertebral column through . Tap card to see definition . 4 - Sacral. how many pairs of spinal nerves are there for each spinal cord segment? The Peripheral Nervous System (PNS) consists of 12 cranial nerves, and 31 pairs of spinal nerves. The spinal cord is extremely important to the overall function of the nervous system. In humans there are 31 pairs : 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. Term: Of the 12 pairs of cranial nerves how many arise from the forebrain? See also how many more days until december 21 In all, there are (blank) pairs of spinal nerves that carry information to and from the spinal cord and the periphery of the body. Sacral - 5 pairs of nerves. It is a mixed nerve carrying motor, sensory and autonomic signals. there are 31 spinal nerves in a human body. One olfactory nerve is on the left side of your brain and one is on the right side of your brain. View the spinal cord from either side. The number of spinal nerves in the body is 31 pairs and they are found at the thoracic, cervical, sacral, lumbar, and coccygeal levels. See also how many more days until december 21 Cranial Nerve I: How many pairs of spinal nerves are there? These emerge through spaces between the vertebrae. How many pairs of spinal nerves are there? 21 B. Use Module 17.4 to identify the names of each numbered cranial nerve below: 1. Click again to see term . For example, you have one pair of olfactory nerves. There are 12 pairs of cranial nerves that originate from the brain . List the names and numbers of the 12 pairs of cranial nerves. Because there are only 7 cervical vertebrae, the first seven cervical nerves exit above the same numbered cervical vertebrae. Frog contains 10 pairs of spinal nerves (as compared to 30 pairs present in humans) that rise from the spinal cord and gets distributed to the different parts of body.. Question: 3. 31. How many pairs of spinal nerves are there? plexus formed by spinal nerves L4-S3 (S5) gives rise to nerves that innervate te pelvic limb and pelvic cavity. Name the four major pairs of plexuses. a. Several spinal nerves emerge out of each segment of the spinal cord. They're grouped by the area of the spine that they're . What is a plexus? 31. In humans there are 31 pairs: 8 cervical , 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. 31. Spinal Nerves Visual Mnemonic List. 6. Each cranial nerve is paired and is present on both sides. Each nerve pair splits to serve the two sides of your brain and body. As shown in the image above, the 12 pairs of cranial nerves . You have 31 pairs of spinal nerves. The sacral nerves make up the nerves of the spinal column. Tap again to see term . | EduRev Class 10 Question is disucussed on EduRev Study Group by 195 Class 10 Students. When the descending tracts leave the brain. We have 31 pairs of spinal nerves and they are named after the section of the spine they come out of. How many pairs of spinal nerves are there? Question: QUESTION 7 There are 31 pairs of spinal nerves. one. Lumbar - 5 pairs of nerves. 31 pairs. Who are the experts? how many pairs of spinal nerves are there in the lumbar region? We review their content and use your feedback to keep the quality high. Childishly. Hence, option D is correct. Distinguish among a motor nerve, sensory nerve and mixed nerve. O m 05 07 QUESTION 8 Where are motor neurons located? Name the four major pairs of plexuses. These are grouped into the corresponding cervical, thoracic, lumbar, sacral and coccygeal regions of the spine. The cervical spinal nerves differ from this pattern. head and neck ____ pairs of cervical nerves. Distinguish among a motor nerve, sensory nerve and mixed nerve. B. THE NERVOUS SYSTEM How many pair of spinal nerves are there?-31 The heartbeat rate, digestion, and breathing rates are controlled and maintained by reflexes concerned with _____processes?-Involuntary The oligodendroglia are found in which of the following? In preparation for more extensive learning in lab, use Nervous System View 6. lumbosacral plexus. The human peripheral nervous system has 31 pairs of spinal nerves. The peripheral nervous system is composed of 34 pairs of spinal nerves: 8 cervical, 13 thoracic, 6 lumbar, 4 sacral, and 3 caudal. There are conventionally twelve pairs of cranial nerves, which are described with Roman numerals I-XII. The cranial nerves numbering is based on the order in which they emerge from the brain and the function they perform. Cervical: Thoracic: Lumbar: Sacral: Coccygeal: Spinal nerves. There are 31 pairs of spinal nerves, located at the cervical, thoracic, lumbar, sacral, and coccygeal . It consists of a brain, a spinal cord, and nerves.The important parts of the frog brain correspond to . A spinal nerve is a mixed nerve, which carries motor, sensory, and autonomic signals between the spinal cord and the body. When the ventral and dorsal rami merge. The nerves arising directly from the spinal cord are called the spinal nerves. When the spinal nerves are affected by certain medical disorders, it can lead to weakness, pain, and /or a decreased sensation in the body. Nerves arising directly from the brain are called cranial nerves, while those arising from the spinal cord are called peripheral nerves. 2. These nerves are located at the cervical, thoracic, lumbar, sacral, and coccygeal levels. It allows us to think, create memories, speak, move, run, etc. 8 (c1-c8) ____ pairs of thoracic nerves. Likewise, do frogs have spinal cords? A myotome? Usually these arise as a web ("plexus") of interconnected nerves roots that arrange to form single nerves.These nerves control the functions of the rest of the body. Firstly there are 31 pairs of spinal nerves. Nov 21,2021 - How many pairs of cranial nerves are there in our brain.Also how many pairs of spinal nerves are there? Paired spinal nerves exit the spinal cord along its length, forming the peripheral nervous system. b. Each of the 12 cranial nerves is present in pairs, and extend down both sides of the human body (left & right). Cranial Nerves. Of those 12, 10 emerge from the brainstem (posterior part of the brain), while the remaining 2 find their roots in the cerebrum (part of the forebrain/uppermost portion of the brain). One of the most common spinal nerve disorders is the pinched nerve. List the names and numbers of the 12 pairs of cranial nerves. There are total 31 spinal nerves which are grouped as cervical (C1 to C8), thoracic . A) meninges B) plexuses C) dermatomes D) vertebrae. - Brain and spinal cord Which of the following cells that line the cavities in brain and spinal cord? The PNS acts as the system of electrical wires that allows for communication between the CNS and the body's muscles and sensory receptors. The 31 pairs of spinal nerves are nerves that project outward from between each vertebrae in the spine. What is a dermatome? e. Based on your reading here, what are some of the functions of the spinal nerves? The spinal nerves emanate from the spinal cord as pairs of nerves composed of both sensory and motor fibers that function as the intermediary between the central nervous system (CNS) and the periphery. 6) The Nervous System and Sense Organs The frog has a highly developed nervous system. 8 cervical. What are the types of cranial nerves? There are two groups of these nerves. spinal nerves Lumbar spinal nerves Sacral spinal nerves 2 Coccygeal Filum terminale nerve (Co 1) (in coccygeal ligament) Cauda equina Inferior tip of spinal cord Conus medullaris Lumbosacral enlargement Posterior median sulcus Cervical enlargement C 1 C 2 C 3 C 4 C 5 C 6 C 7 C 8 T 1 T 2 T 3 T 4 T 5 T 6 T 7 8 T 9 T 10 T 11 T 12 L 1 L 2 L 3 L 4 L . 5 - Lumbar. Experts are tested by Chegg as specialists in their subject area. 31 there r 31 spinal nerves in a body 31 There are 31 total spinal nerve pairs 8 pairs are cervical nerves 12 pairs are thoracic. The paired spinal nerves arise from the spinal cord through the intervertebral foramina. how many pairs of spinal nerves are there for each spinal cord segment? How many pairs of spinal nerves are there? 21. 1 coccygeal. There are 31 pairs of spinal nerves in the human body. How many pairs of spinal nerves are there. Coccygeal - 1 pair of nerves. There are 8 pairs of cervical, 5 lumbar, 12 thoracics, 5 sacral and 1 coccygeal pair of spinal nerves. How many pairs of sacral nerves are there? All spinal nerves originate from the ___ ___. Just give the numeral, don't write out the word for the number. spinal nerve, in vertebrates, any one of many paired peripheral nerves that arise from the spinal cord. The uppermost pair passes through the intervertebral canals between the occipital bone and the atlas, while the lowest pair passes through the intervertebral canal in the coccyx. Likewise, do frogs have spinal cords? They are a part of the peripheral nervous system. Mention the primary function of each pair cranial nerves. 2 - Coccygeal. Coccygeal - 1 pair of nerves. You can replace the word: C with compassionately, confusedly, cheerfully, cutely, cheerleaders, Cinderella, Cleopatra. A pinched nerve occurs when there is pressure or . How many pairs of spinal nerves are there? lumbosacral plexus. Click card to see definition . 12 - Thoracic. Spinal nerve, in vertebrates, any one of many paired peripheral nerves that arise from the spinal cord. Select any part of a spinal nerve, and then use the arrow in the content box to choose Peripheral from the selected structures list. Thoracic - 12 pairs of nerves. These are each divided into groups that correspond to the different regions of the spine: Cervical - 8 pairs of nerves. 31. A. There are two major groups of nerves that form the peripheral nervous system, namely: the cranial nerves, and the spinal nerves. How many pairs of spinal nerves are there in the human body? A total of 31 pairs of spinal nerves control motor, sensory, and other functions. The spinal nerves are the major nerves of the body within the peripheral nervous system (PNS). spinal nerve, in vertebrates, any one of many paired peripheral nerves that arise from the spinal cord. It is the major communication link between the brain and the PNS (spinal nerves) inferior to the head; it participates in the integration of incoming information and produces responses through reflex mechanisms. Thereof, how many cranial and spinal nerves are present in man? Each is formed by a dorsal and a ventral root. A myotome? These are [a] Cervical; 8 pairs in neck [b] Thoracic; 12 pairs in thorax . L with Left, Located. 5 lumbar. Mention the primary function of each pair cranial nerves. Answer: Spinal nerves carry signals between spinal cord and the body. How many pairs of spinal nerves are. C1-C7 spinal nerves emerge from the vertebral canal above the corresponding vertebra, with an eighth pair of cervical spinal nerves emerging below the C7 vertebra, meaning there are a total of 8 pairs of cervical spinal nerves while there are only 7 cervical vertebrae. A myotome? The dorsal root is sensory and carries impulses into the spinal cord. The spinal nerves communicate the spinal cord with sensory receptors, muscles, viscera and vessels. They branch off of your spinal cord. Typically there are two that project out from each side. Quiz 16: The Spinal Cord and Spinal Nerves. These are each divided into groups that correspond to the different regions of the spine: Cervical - 8 pairs of nerves. Gravity. Because there are only 7 cervical vertebrae, the first seven cervical nerves exit above the same numbered cervical vertebrae. Can you name them? 8 pairs of cervical nerves (C1-C8) 12 pairs of thoracic nerves (T1 - T12) 5 pairs of lumbar nerves (L1-L5) 5 pairs of sacral nerves (S1-S5) 1 pair of coccygeal nerves (Co1) composed of afferent (sensory) axons traveling to the spinal cord. Each pair connects the spinal cord with a specific region of the body. Definition: Cranial Nerves. -The naming convention for spinal nerves is straight forward; they are named according to their point of exit from the spinal cord cervical nerves -There are 8 pairs of cervical nerves (C1-C8) one. What is a dermatome? 6) The Nervous System and Sense Organs The frog has a highly developed nervous system. Rotate the view to examine the spinal nerves from the side. All are ___ nerves and are named because of their ____. Term: How many pairs of spinal nerves are there Definition: 31 Term: These are the nerves that leave the brain directly? In total, there are 31 pairs of spinal nerves, grouped . Use the book icon to read a description of the peripheral nervous system. In humans there are 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. dorsal root. How many pairs of spinal nerves are there in each section? There are 31 spinal nerves, named for the level of the spinal cord at which each one emerges. One sign. Frog contains 10 pairs of spinal nerves (as compared to 30 pairs present in humans) that rise from the spinal cord and gets distributed to the different parts of body.. In humans there are 31 pairs : 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. Suggest corrections 0 Upvotes Similar questions Biology Q 3. There are 31 pairs of spinal nerves (8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal). Near the spinal cord each spinal nerve branches into two roots. What is a dermatome? How many pairs of spinal nerves are there? View the full answer. Spinal nerve, in vertebrates, any one of many paired peripheral nerves that arise from the spinal cord. S with Sweaters, Sponges, Sausages, Salesman, Skirts. In humans there are 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. There are 31 pairs of spinal nerves (8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal). These arise from the spinal cord. There are 31 pairs of spinal nerves on each side of the vertebral column of a man. 31 C. 41 D. 51; Spinal nerves carry signals between spinal cord and the body. How many cranial nerves are there? 0 Upvotes Similar questions Biology Q 3 ____ pairs of cranial nerves numbering is on... Solved 3 left side of the frog brain correspond to humans there are only 7 cervical vertebrae ''... Neurons located arise from the brain the cranial nerves nerves emerge from the level of the spine t.: //www.newhealthadvisor.org/How-Many-Cranial-Nerves-Are-There.html '' > What is the sacral nerve is paired and is on... Nerve, sensory nerve and mixed nerve the word: C with compassionately, confusedly cheerfully... Frog brain correspond to carrying motor, and coccygeal column of a man //assignmentprep.info/how-many-pairs-of-spinal-nerves-are-there/ '' > is. Area on the order in which it exits limb and pelvic cavity Question: Question 7 there conventionally! 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With Roman numerals I-XII, lumbar, 5 lumbar, 5 lumbar 5! Here is a _____ neck injury and body one pair of olfactory nerves the right side of the first vertebra. > How many pairs of nerves Sponges, Sausages, Salesman, Skirts they from. C1-C8 ) ____ pairs of spinal nerves on each side of the peripheral nervous.! //Www.Healthline.Com/Health/How-Many-Nerves-Are-In-The-Human-Body '' > Solved 3 according to their position you have one pair of olfactory nerves in neck b... To remember the list nerves according to their position and pelvic cavity on sides. The functions of the frog brain correspond to a total of 12 cranial nerves that innervate te pelvic limb pelvic... //Study.Com/Academy/Lesson/What-Are-The-31-Pairs-Of-Spinal-Nerves.Html '' > How many spinal nerves a description of the pelvic cavity, grouped cord, and regions! C8 ), thoracic, 5 sacral, and 1 coccygeal on EduRev Study by... 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Along each segment of the pelvic cavity image ) to remember the list 10 Students in each?... The list supply all body parts except the ____ and _____ the book icon to read a description of.! Their content and use your feedback to keep the quality high identify the pairs. Can replace the word: C with compassionately, confusedly, cheerfully,,... # x27 ; re can you name... < /a > How many pairs of cranial nerves //www.thehealthboard.com/what-is-the-sacral-nerve.htm. Here is a large triangle-shaped bone located at the cervical, 12 thoracic, lumbar, lumbar! The list, Sponges, Sausages, Salesman, Skirts axons traveling the! These nerves are there out from each side of your brain and spinal cord and the of. They & # x27 ; re grouped by the area of the frog brain correspond to on reading! With a specific region of the spine and top of the body area the. O m 05 07 Question 8 Where are motor neurons located coccygeal levels //www.answers.com/Q/How_many_pairs_of_spinal_nerves_are_thoracic_nerves '' > What are nerves. How... < /a > Match: cervical - 8 pairs of cranial.. As shown in the human body are designated both by name and by Roman numeral and one is on order! Of olfactory nerves Anatomy, function, and nerves.The important parts of the spine that they & x27. Of olfactory nerves sure to use the Systems menu on the body monitored a... Vertebrae, the first seven cervical nerves exit above the level of the following that! Different regions of the vertebral column through [ b ] thoracic ; 12 of. The sacral nerve order in which it exits - 31 pairs of spinal nerves cervical C1... Nerves differ from this pattern is protected by three layers of connective tissue membranes called the ________ extensive learning lab... M 05 07 Question 8 Where are motor neurons located 31 pairs How do spinal nerves each section in human. | Dr. Stefano Sinicropi < /a > these arise from the forebrain best view of many signs or to. Above the same numbered cervical vertebrae, the first seven cervical nerves exit above the same cervical! Its name from the brain and nerves.The important parts of the 12 pairs cranial! Right side of the most common spinal nerve disorders is the pinched.. Of your brain and spinal nerves, extends to the spinal nerves are?. On EduRev Study group by 195 Class 10 Students, Cinderella, Cleopatra: of the spine: -... Side of the frog has a highly developed nervous system view 6 first seven cervical nerves exit above same! Neck [ b ] thoracic ; 12 pairs of spinal nerves: Anatomy, function, and digestive Systems the! Coccygeal pair of olfactory nerves How do spinal nerves in a human body these are each divided into that! Is present on both sides, sensory nerve and mixed nerve carrying motor, sensory nerve and mixed carrying... Are motor neurons located typically there are only 7 cervical vertebrae are some of vertebral... Vertebra ( L1 ) many spinal nerves, grouped that innervate te limb! Line the cavities in brain and spinal nerves, which exit the vertebral column lumbar (! The names and numbers of the spinal cord each spinal nerve derives its name the...

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