Posterior cord
Posterior Cord
The Posterior Cord (Pronunciation: pos-teer-ee-or kord) is a significant structure in the brachial plexus, an intricate network of nerves that transmit signals from the spinal cord to the upper limbs.
Etymology
The term "Posterior Cord" is derived from Latin roots. "Posterior" meaning "behind" and "Cord" referring to a "string" or "rope", indicating its position and structure in the body.
Anatomy
The Posterior Cord is located behind the axillary artery and vein, and it gives rise to three primary nerves: the radial nerve, the axillary nerve, and the thoracodorsal nerve. These nerves are responsible for the sensory and motor innervation of the posterior aspect of the upper limb.
Clinical Significance
Damage to the Posterior Cord can result in various neurological conditions, such as radial nerve palsy and winged scapula. These conditions can lead to a loss of sensation and motor function in the affected limb.
Related Terms
External links
- Medical encyclopedia article on Posterior cord
- Wikipedia's article - Posterior cord
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