extensor muscle of index finger n.
A muscle with its origin from the ulna, with insertion to an aponeurosis of the index finger, with nerve supply from the radial nerve, and whose action assists in extending the forefinger.
- Extensor muscle of little finger
extensor muscle of little finger n. A muscle with its origin from the lateral epicondyle of the humerus, with insertion to the dorsum of the proximal, middle, and distal phalanges of the little finger, with nerve supply from the radial nerve, and whose action extends the little finger.
- Extensor retinaculum
extensor retinaculum n. A strong fibrous band stretching obliquely across the back of the wrist and binding down the extensor tendons of the fingers and thumb.
[ik-stent] /ɪkˈstɛnt/ noun 1. the space or degree to which a thing extends; length, area, volume, or scope: the extent of his lands; to be right to a certain extent. 2. something extended, as a space; a particular length, area, or volume; something having extension: the limitless extent of the skies. 3. U.S. Law. a […]
[ik-sten-yoo-eyt] /ɪkˈstɛn yuˌeɪt/ verb (used with object), extenuated, extenuating. 1. to represent (a fault, offense, etc.) as less serious: to extenuate a crime. 2. to serve to make (a fault, offense, etc.) seem less serious. 3. to underestimate, underrate, or make light of: Do not extenuate the difficulties we are in. 4. Archaic. /ɪkˈstɛnjʊˌeɪt/ verb […]