extensor

[ ik-sten-ser, -sawr ]

/ ɪkˈstɛn sər, -sɔr /

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noun Anatomy.

a muscle that serves to extend or straighten a part of the body.

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Origin of extensor

1700–10; <New Latin, equivalent to Latin extend(ere) to extend + -tor-tor, with -dt->-s-

Words nearby extensor

extension tube, extensity, extensive, extensively, extensometer, extensor, extensor digitorum brevis, extensor hallucis brevis, extensor muscle of fingers, extensor muscle of index finger, extensor muscle of little finger

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use extensor in a sentence

The wrist is also bent, causing structures like the wrist and finger extensor and flexor tendons to have to work harder under excess strain.
7 Moves to Combat Wrist Pain|jversteegh|August 8, 2021|Outside Online
He differs from man in the figure of the deltoides, pronator, radi teres, et extensor pollicis brevii.
Buffon's Natural History. Volume IX (of 10)|Georges Louis Leclerc de Buffon
The term extensor in the name of this muscle does not refer to its function.
Variation in the Muscles and Nerves of the Leg in|E. Bruce Holmes
Velpeau advised division of the extensor muscles of the tongue.
Psychotherapy|James J. Walsh

In another (Elizabeth Alford) lepra affected the extensor surfaces of the thoracic and pelvic limbs.
On the Genesis of Species|St. George Mivart
The magnetic field cut off and he instantly raced his extensor motors to leap forward.
The Velvet Glove|Harry Harrison

British Dictionary definitions for extensor

extensor

/ (ɪkˈstɛnsə, -sɔː) /

noun

any muscle that stretches or extends an arm, leg, or other bodily partCompare flexor

Word Origin for extensor

C18: from New Latin, from Latin extensus stretched out

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for extensor

extensor

[ ĭk-stĕn′sər ]

A muscle that extends or straightens a limb or body part.

Scientific definitions for extensor

extensor

[ ĭk-stĕn′sər ]

A muscle that extends or straightens a limb or joint. Compare flexor.