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The musculocutaneous nerve
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∙ 10y ago
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The abducens nerve supplies the?
The abducens nerve supplies the lateral rectus muscle of the eye, which is responsible for abduction (outward movement) of the eye. This nerve is important for proper eye movement and coordination.
What is the nerve supply to the larynx?
The larynx receives its nerve supply from the vagus nerve (cranial nerve X). Specifically, the recurrent laryngeal nerve innervates the intrinsic muscles of the larynx involved in phonation, while the external branch of the superior laryngeal nerve supplies the cricothyroid muscle.
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.
Does the epidermis have nerve supplies?
Yes, the epidermis does not contain nerve supplies. Nerve endings are located in the dermis layer beneath the epidermis.
What happens to a muscle when an electrical impulse from a nerve stops?
When the electrical impulse from a nerve stops, the muscle relaxes and returns to its resting state. This is because the nerve impulse initiates the release of calcium ions in the muscle cells, leading to muscle contraction. When the nerve impulse stops, the calcium ions are reabsorbed, causing the muscle to relax.
What is the name of the nerve that passes through the coracobrachialis?
The nerve that passes through the coracobrachialis muscle is the musculocutaneous nerve.
Which nerve supplies the anconeus muscle?
radial nerve
What nerve supplies the flexor carpi radialis muscle?
ulnar nerve
Which nerve supplies teres major muscle?
The teres major muscle is innervated by the lower subscapular nerve, which arises from the posterior cord of the brachial plexus (C5-C8).
Nerve supply of the tibialis anterior muscle?
deep peroneal nerve supplies the tibialis anterior muscle
The abducens nerve supplies the?
The abducens nerve supplies the lateral rectus muscle of the eye, which is responsible for abduction (outward movement) of the eye. This nerve is important for proper eye movement and coordination.
What nerve supplies the serratus anterior muscle?
The serratus anterior muscle is primarily innervated by the long thoracic nerve (C5-C7) which arises from the brachial plexus. This nerve provides motor innervation to the serratus anterior muscle, which is important for stabilizing and protracting the scapula during shoulder movements.
Which nerve supplies the deltoid muscle?
Axillary nerve C5 and C6, a branch of the posterior chord of the brachial plexus
Why does the gastrocnemius muscle contract after stimulating the sciatic nerve?
The gastrocnemius muscle contracts after stimulating the sciatic nerve because the sciatic nerve supplies motor signals to the gastrocnemius muscle, causing it to contract. The stimulation of the sciatic nerve triggers the release of neurotransmitters that lead to the contraction of the muscle fibers in the gastrocnemius.
Which of the two pectoral nerves pierces the clavipectoral fascia?
lateral pectoral nerve
What is the major nerves serve the most anterior forearm muscle?
The median nerve supplies most of the flexor muscles of the human forearm, and some hand muscles. The ulnar nerve also supplies two flexor muscles, and most of the remaining hand muscles that the median nerve does not cover.
What muscle is innervated by the femoral nerve?
The branch to the Rectus femoris enters the upper part of the deep surface of the muscle, and supplies a filament to the hip-joint.The branch to the Vastus lateralis, of large size, accompanies the descending branch of the lateral femoral circumflex artery to the lower part of the muscle. It gives off an articular filament to the knee-joint.The branch to the Vastus medialis descends lateral to the femoral vessels in company with the saphenous nerve. It enters the muscle about its middle, and gives off a filament, which can usually be traced downward, on the surface of the muscle, to the knee-joint.The branches to the Vastus intermedius, two or three in number, enter the anterior surface of the muscle about the middle of the thigh; a filament from one of these descends through the muscle to the Articularis genu and the knee-joint. The articular branch to the hip-joint is derived from the nerve to the Rectus femoris.The articular branches to the knee-joint are three in number. One, a long slender filament, is derived from the nerve to the Vastus lateralis; it penetrates the capsule of the joint on its anterior aspect.Another, derived from the nerve to the Vastus medialis, can usually be traced downward on the surface of this muscle to near the joint; it then penetrates the muscular fibers, and accompanies the articular branch of the highest genicular artery, pierces the medial side of the articular capsule, and supplies the synovial membrane.The third branch is derived from the nerve to the Vastus intermedius.
