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Each spinal nerve branches into a ventral and dorsal:
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ganglion
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root
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tract
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plexus
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ramus
Step by step
Solved in 2 steps
- Radial nerve (easily viewed in the proximal posterior arm between long and lateral heads of triceps brachii) The radial nerve innervates the: brachioradialis, extensor carpi radialis longus and brevis, extensor carpi ulnaris, extensor digitorum, extensor digiti minimi, abductor pollicis longus, extensor pollicis longus and brevis, and extensor indicis. What is the name of the muscle compartment that houses most of these muscles? ____________________.The spinal nerve that emerges from the vertebral column above vertebra L1 is spinal nerve: L2 O T12 O T13 O L1Correctly identify and label the structures associated with this spinal plexus. Medial femoral cutaneous nerve Lumbosacral trunk L1 L2 L3 L4 L5 Lateral femoral cutaneous nerve Genitofemoral nerve Femoral nerve Radial nerve Obturator nerve lliohypogastric nerve Sciatic nerve llioinguinal nerve
- Correctly identify and label the structures associated with this spinal plexus. Obturator nerve Femoral nerve Inferior gluteal nerve Sciatic nerve Pudendal nerve Superior gluteal nerve L4 L5 Co S1 S5 S2 S3 S4 Tibial nerve Common fibular nerve Genitofemoral nerve Posterior cutaneous nerve ResetFill in the blank: The dorsal root of a spinal nerve contains the _______________________ neurons.Sciatic nerve is the largest branch of the lumbar plexus. T/F
- How many nerve roots fires each section of the spinal cord have ? which type are they ? Ie. two- one sensory and one motor Four - with sensory and motor combined in eachWhich of the following is TRUE of the ventral rami of the spinal nerves? Question 13 options: Ventral rami carry motor information ONLY Ventral rami are smaller than the dorsal rami Ventral rami contribute to the cervical, brachial, and lumbosacral plexus Ventral rami supply the small muscles of the spine All of the above are correctA child is asked to show his tongue but he can not pull his tongue out or turn right, he can tell the candy is sweet and medicine is bitter in taste. Which of the following nerve is most likely to be damaged? Facial nerve Hypoglossal nerve Glossopharyngeal nerve Vagus nerve
- The dorsal root of a spinal nerve has axons on what neurons?The ventral root of spinal nerves contains___neurons, whereas the dorsal root contains___neuronsAnthony gets into a fight between rival gangs. As an attacker comes at him with a knife, he turns to flee, but stumbles. The attacker stabs him on the medial side of the right gluteal fold and Anthony collapses. He loses all use of his right limb, being unable to extend his hip, flex his knee, or move hisfoot. He never fully recovers these lost functions. Explain what nerve injury Anthony has most likely suffered.