Posterior cerebral commissure
posterior cerebral commissure n.
A thin band of white matter crossing from side to side beneath the habenula of the pineal body and over the entrance to the cerebral aqueduct and largely composed of fibers connecting mesoencephalic regions.
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posterior chamber of eye n. The ringlike space filled with aqueous humor between the iris, the crystalline lens, and the ciliary body.
- Posterior column of spinal cord
posterior column of spinal cord n. The dorsolateral ridge of gray matter in each lateral half of the spinal cord. Also called dorsal column of spinal cord.
- Posterior condyloid foramen
posterior condyloid foramen n. See condylar canal.
- Posterior cord of brachial plexus
posterior cord of brachial plexus n. A fasciculus formed by the posterior divisions of the upper, middle and lower trunks and giving rise to the subscapular, thoracodorsal, axillary, and radial nerves.
- Posterior cutaneous nerve of arm
posterior cutaneous nerve of arm n. A branch of the radial nerve supplying the skin of the posterior surface of the arm.