obturator muscles

pl. Anat .: Two muscles (1) the obturator intern us , arising from the deep surface of the obturator membrane, emerging from the pelvis, and inserted into the upper part of the fo a of the great trochanter; (2) the obturator extern us , also arising from the obturator membrane, and inserted into the trochanteric fo a below the obturator intern us . obturator-nerve, 8. Anat.: A nerve distributed to the adductor muscles of the thigh and to the hip and knee-joints. It arises from the lumbar plexus by two roots, and has an anterior and a posterior branch. ob-tüs-ăn-gu-lar, adj . [Eng. obtus (e), and angular.] Having angles obtuse, or greater than right angles; obtuse-angled. ob-tūse', a. [Fr. obtus, from Lat. obtusus, pa. par. of obtundo to blunt; Sp. obtuso; Ital. ottuso.] [OBTUND.] IMG:content-0212.png:[blocks in formation] 1. Bot . Blunt at the end; as, an obtuse leaf or sepal. [BLUNT, II.] 2. Geom.: Blunt, opposed to sharp, or acute. An obtuse angle is an angle greater than a right angle; an obtuse polyhedral angle is one whose measure is greater than the tri rectangular triangle. An obtuse cone is a right cone, such that the angle formed by two elements cut from the cone by a plane pa ed through the axis, is greater than a right angle. An obtuse hyperbola is a hyperbola in which the asymptotes make with each other an obtuse angle, or it is one in which the length of the conjugate axis is greater than that of the transverse axis. An obtuse ellipsoid is the same as a prolate spheroid. "All salts are angular, with obtuse , right, or acute angles."-Grew: Cosmo. Sacra , bk. ii., ch. v. obtuse-angled, a. Having an obtuse angle or angles. obtuse-angular, а. [ОвTUSANGULAR.] obtuse-mucronate, a. Bot.: [BLUNT, II, (1).] ob-tūse-lý, adv. [Eng. obtuse; -ly.] 1. Lit.: In an obtuse manner; not acutely; bluntly. 2. Fig .: Dully, stupidly. ob-tüse-ne , s. [Eng. obtuse; -ne .] I. Lit .: The quality or state of being obtuse, or not acute; as, the obtusene of an angle. IMG:content-0213.png:[blocks in formation]