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What is the psoas nerve?
The psoas nerve is the nerve that innervates the psoas major muscle. It is formed by fibers of spinal nerves L2-L4.
What major nerve innervates the extensors of the leg?
The sciatic nerve is the major nerve that innervates the extensor muscles of the leg, particularly the tibialis anterior muscle. It is a large nerve that branches into the common fibular nerve and the tibial nerve, both of which supply various muscles in the leg.
What nerve controls gastrocnemius?
The tibial nerve controls the gastrocnemius muscle. It is a branch of the sciatic nerve and innervates the muscles of the posterior compartment of the leg, including the gastrocnemius.
What muscle and nerve will you need to isolate to study the physiology of nerve fibers?
To study the physiology of nerve fibers, you would need to isolate a specific muscle and the nerve innervating that muscle. This allows for the investigation of the interaction between the nerve and muscle, observing the transmission of signals and studying the response of the muscle to nerve stimulation. Commonly studied muscles and nerves in this context include the gastrocnemius muscle and the sciatic nerve in animal models.
What is the nerve which innervates the vas deferens?
The nerve that innervates the vas deferens is the sympathetic nerve.
What nerve governs most of the extrinsic eye muscle?
Trochlear Nerve innervates Superior Oblique(extrinsic eye muscle)Oculomotor Nerve innervates Inferior Oblique, Superior Rectus, Inferior Rectus, and Medial Rectus (which are all extrinsic eye muscles) along with Ciliary Body, and the Iris (which are both intrinsic eye muscles)Abducens Nerve innervates Lateral Rectus(extrinsic eye muscle)
The nerve that innervates the abductor pollicus brevis in most people is called?
The nerve that innervates the abductor pollicis brevis in most people is the median nerve.
Cranial nerve involved in vision and visual fields?
The cranial nerve involved in vision and visual fields is the optic nerve (cranial nerve II). It transmits visual information from the eyes to the brain, allowing us to perceive images and visual stimuli. Impairments in the optic nerve can lead to visual disturbances and loss of vision.
How small can a nerve be?
he trochlear nerve (the fourth cranial nerve, also called the fourth nerve, IV) is a motor nerve (a "somatic efferent" nerve) that innervates a single muscle: thesuperior oblique muscle of the eye.The trochlear nerve is unique among the cranial nerves in several respects. It is the smallest nerve in terms of the number of axons it contains.
Which cranial nerve innervates the ear?
The cranial nerve that innervates the ear is the vestibulocochlear nerve (CN VIII). It has two branches: the vestibular nerve that controls balance and the cochlear nerve that controls hearing.
Which nerve innervates knee extension?
OBTURATOR
What nerve is important for swallowing?
The vagus nerve (cranial nerve X) is the most important nerve for swallowing. It innervates the muscles involved in the swallowing process and helps coordinate the complex sequence of muscle movements required for safe and effective swallowing.
