posterior scleritis n.
Scleritis that exhibits a tendency to extend posteriorly to the sheath of eyeball and to cause chemosis.
- Posterior scrotal nerve
posterior scrotal nerve n. Any of several terminal branches of the perineal nerve supplying the skin of the rear portion of the scrotum.
- Posterior scrotal vein
posterior scrotal vein n. Any of the veins passing from the scrotum to the internal pudendal veins.
- Posterior septal artery of nose
posterior septal artery of nose n. A branch of the sphenopalatine artery, supplying the nasal septum and accompanying the nasopalatine nerve.
- Posterior spinocerebellar tract
posterior spinocerebellar tract n. A compact bundle of heavily myelinated fibers that is located at the periphery of the dorsal half of the lateral funiculus of the spinal cord, consists of thick fibers originating in the thoracic nucleus on the same side of the cord, terminates in the vermis, and conveys proprioceptive information.
- Posterior staphyloma
posterior staphyloma n. A bulging of a weakened sclera at the posterior of the eyeball resulting from loss of the choroid lining.