1694 Federal Register /Vol. 80, No. 8/Tuesday, January 13, 2015/Rules and Regulations ENVIRONMENTAL PROTECTION AGENCY 40 CFR Parts 260 and 261 [EPAâHQâRCRAâ2010â0742; FRLâ9728â5â OSWER] RIN 2050âAG62 Definition of Solid Waste AGENCY: Environmental Protection Agency (EPA).
obturator. 1. a disk or plate that closes an opening. 2. a prosthesis for closing an acquired or congenital opening of the palate (cleft palate). obturator sign pain on outward pressure on the obturator foramen as a sign of inflammation in the sheath of the obturator nerve, probably caused by appendicitis.(ob'tÅ«-rÄ'tÅr),ny structure that occludes an opening. 2. Denoting the obturator foramen, the obturator membrane, or any of several parts in relation to this foramen. 3. A prosthesis used to close an opening in the hard palate, usually in a cleft palate.
The obturator nerve in human anatomy arises from the ventral divisions of the second, third, and fourth lumbar nerves in the lumbar plexus; the branch from the third is the largest, while that from the second is often very small.he obturator nerve is responsible for the sensory innervation of the skin of the medial aspect of the thigh. It is also responsible for the motor innervation of the adductor muscles of the lower extremity (external obturator. adductor longus, adductor brevis, adductor magnus, gracilis) and the pectineus (inconstant).