释义 |
DictionarySeenerveobturator nerve
obturator nerve[′äb·tə‚rād·ər ¦nərv] (neuroscience) A mixed nerve arising in the lumbar plexus; innervates the adductor, gracilis, and obturator externus muscles, and the skin of the medial aspect of the thigh, hip, and knee joints. obturator nerve
ob·tu·ra·tor nerve [TA] arises from the lumbar plexus, conveying fibers from the second, third, and fourth lumbar nerves in the psoas muscle, crosses the brim of the pelvis, and enters the thigh through the obturator canal; it supplies muscles of the medial compartment of the thigh (adductors of thigh at the hip joint) and terminates as the cutaneous branch of the obturator nerve, supplying a small area of medial thigh above knee. Synonym(s): nervus obturatorius [TA]ob·tu·ra·tor nerve (ob'tŭr-ā-tŏr nĕrv) [TA] Arises from the second, third, and fourth lumbar nerves in the psoas muscle, crosses the brim of the pelvis, and enters the thigh through the obturator canal; it supplies muscles of the medial compartment of the thigh (adductors of thigh at the hip joint) and terminates as the cutaneous branch of the obturator nerve, supplying a small area of medial thigh above knee. Synonym(s): nervus obturatorius [TA] . obturator nerveA motor nerve originating in the lumbar plexus and composed of axons from spinal cord segments L2–L4. It passes into the thigh through the obturator foramen of the pelvic bones and innervates the adductor longus, adductor brevis, gracilis, pectineus, obturator externus, and adductor magnus muscles. See also: nerve |