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May 6, 2024 · A plexus is a bundle of intersecting nerves. The term is also used to describe similar groups of blood vessels or lymphatic vessels in the body. Nerve plexuses originate from the same anatomical area and serve specific areas of the body. They also send messages from the brain to the muscles, allowing for movement to occur.
Brachial plexus: Cervical (C5–C8) and thoracic (T1) nerves comprise the brachial plexus, which is a nerve plexus that provides sensory and motor function to the shoulders and upper limbs. Lumbar plexus: The lumbar plexus is comprised of the ventral rami of the lumbar spinal nerves (L1–L5) and a contribution from thoracic nerve (T12). The ...
Oct 30, 2023 · The submucosal nerve plexus (Meissner plexus), as indicated by its name, is located in the submucosa, a thin layer of tissue consisting of dense irregular connective tissue embedded with numerous blood and lymph vessels. Submucosal neurons are arranged as plexuses, a form of ganglia network linked by connectives.
The cardiac plexus is located near the aortic arch and the carina of the trachea. The pulmonary plexus supplies innervation to the bronchial tree. The celiac, or solar plexus, is located around the celiac trunk and contains the celiac ganglia. The solar plexus is the largest autonomic plexus and provides innervation to multiple abdominal and ...
A plexus is like an electrical junction box in a house. In a plexus, nerve fibers from different spinal nerves are sorted and recombined, so that all fibers going to a specific body part are put together in one nerve. The cervical plexus provides nerve connections to the head, neck, and shoulder. The brachial plexus provides connections to the ...
Plexus. In neuroanatomy, a plexus (from the Latin term for "braid") is a branching network of vessels or nerves. The vessels may be blood vessels (veins, capillaries) or lymphatic vessels. The nerves are typically axons outside the central nervous system. The standard plural form in English is plexuses. [1][2][3] Alternatively, the Latin plural ...
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Nov 3, 2023 · The radial nerve is the second terminal branch of the posterior cord of the brachial plexus, that contains fibers of spinal nerves C5-T1. This nerve is a mixed nerve that provides motor and sensory innervation to the arm and forearm. The radial nerve provides motor supply to the following: All muscles of the posterior compartment of the arm ...
