lesser peritoneal cavity n.
See omental bursa.
- Lesser petrosal nerve
lesser petrosal nerve n. The parasympathetic root of the otic ganglion, derived from the tympanic plexus.
noun, Islam. 1. . [uhm-ruh] /ˈʌm rə/ noun, Islam. 1. the pilgrimage, consisting of rituals performed at various shrines, made by a Muslim upon entering Mecca: often part of the hajj.
- Lesser rhomboid muscle
lesser rhomboid muscle n. A muscle with origin from the spinous processes particular cervical vertebrae, with insertion into the scapula above the spine, with nerve supply from the dorsal scapular nerve, and whose action draws the scapula toward the vertebral column and slightly upward.
noun 1. See under (def 1). noun 1. either of two North American gallinaceous birds of western prairies, Tympanuchus cupido (greater prairie chicken) or T. pallidicinctus (lesser prairie chicken) having rufous, brown, black, and white plumage. 2. . noun 1. either of two mottled brown-and-white grouse, Tympanuchus cupido or T. pallidicinctus, of North America