Discover the world with our lifehacks

Where is the nerve plexus?

Where is the nerve plexus?

Four nerve plexuses are located in the trunk of the body: The cervical plexus provides nerve connections to the head, neck, and shoulder. The brachial plexus provides connections to the chest, shoulders, upper arms, forearms, and hands.

What is a plexus definition?

Definition of plexus 1 : a network of anastomosing or interlacing blood vessels or nerves. 2 : an interwoven combination of parts or elements in a structure or system.

What are the 5 nerve plexus?

The following table shows the nerves that arise from each spinal plexus as well as the spinal level each plexus arises from….Spinal plexuses.

Spinal Plexus Spinal Level Nerves (superior to inferior)
Brachial Plexus C5 – T1 · Musculocutaneous · Axillary · Radial · Median · Ulnar

What is an example of a nerve plexus?

Nerve plexuses throughout the body tend to be named after the area in which the plexus occurs and the organs, limbs, and tissues it serves. Examples include the cervical, brachial, lumbar, sacral, celiac, and coccygeal plexuses.

What are the four nerve plexuses and their functions?

The cervical plexus supplies nerves to the posterior head and neck, as well as to the diaphragm. The brachial plexus supplies nerves to the arm. The lumbar plexus supplies nerves to the anterior leg. The sacral plexus supplies nerves to the posterior leg.

What is another word for plexus?

In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for plexus, like: network, rete, net, mesh, web, system, choroid, myenteric, interventricular, ganglion and peritoneum.

What is a benefit of a nerve plexus?

What is a benefit of a nerve plexus? A plexus does not allow for redistribution. They provide a straight path from the spinal cord to target muscles. Damage to one single branch of a plexus does not necessarily disrupt all motor information sent to a region. The dorsal ramus can be distributed to many areas.

What are the 6 types of spinal nerves?

Spinal Nerves

  • 8 cervical (C1-C8) nerves emerge from the cervical spine (neck)
  • 12 thoracic (T1-T12) nerves emerge from the thoracic spine (mid back)
  • 5 lumbar (L1-L5) nerves emerge from the lumbar spine (lower back)
  • 5 sacral (S1-S5) nerves emerge from the sacrum (the triangular bone at the base of the spine)

Which is the smallest nerve in our body?

Trochlear nerve
Trochlear nerve is the smallest cranial nerve. Out of the 12 pairs of cranial nerves, the fourth paired cranial nerve, the trochlear nerve is the smallest of all by virtue of the number of axons.

What is another word for solar plexus?

celiac plexus
Also called celiac plexus. Anatomy. a network of nerves situated at the upper part of the abdomen, behind the stomach and in front of the aorta.

What are the main nerve plexuses of the body?

– Cervical plexus – serves the head, neck and shoulders. – Brachial plexus – serves the chest, shoulders, arms and hands. – Lumbar plexus – serves the back, abdomen, groin, thighs, knees, and calves. – Sacral plexus – serves the pelvis, buttocks, genitals, thighs, calves, and feet.

What is the nerve that plexuses the shoulder and arm?

The musculocutaneous nerve

  • The axillary nerve: The axillary nerve emerges from the brachial plexus and travels to the surgical neck of the humerus
  • The radial nerve: The radial nerve is the largest branch of the brachial plexus.
  • The median nerve: The median travel emerges from the brachial plexus and travels down the arm anterior to the elbow
  • Which nerve plexus would serve the abdominal muscles?

    The lumbar plexus supplies nerves to the skin and muscles of the lateral abdominal region, thigh, anterior thigh, and external genitals. The sacral plexus similarly supplies nerves to the skin and muscles of the posterior thigh, leg, and foot.

    Which of the nerve plexus serves the shoulder and arm?

    Ulnar nerve: This nerve runs through the shoulder and is just under the skin at the elbow’s “funny bone” (a knob on the humerus).

  • Radial nerve: This nerve supplies the triceps and wrist extensors.
  • Median nerve: This nerve branches down into the hand where it serves the thumb,index,and middle finger.