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gastrocnemius

[gas-trok-nee-mee-uh s, gas-truh-nee-] /ˌgæs trɒkˈni mi əs, ˌgæs trəˈni-/
noun, plural gastrocnemii
[gas-trok-nee-mee-ahy, gas-truh-nee-] /ˌgæs trɒkˈni miˌaɪ, ˌgæs trəˈni-/ (Show IPA).
Anatomy
1.
the largest muscle in the calf of the leg, the action of which extends the foot, raises the heel, and assists in bending the knee.
Origin
1670-1680
1670-80; < New Latin < Greek gastroknēm(ía) calf of the leg + Latin -ius noun suffix
Related forms
gastrocnemial, gastrocnemian, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for gastrocnemian

gastrocnemius

n.

1670s, from Latinized form of Greek gastroknemia "calf of the leg," from gaster "belly" (see gastric) + kneme "leg." So called for its form. Related: Gastrocnemical.

Online Etymology Dictionary, © 2010 Douglas Harper
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gastrocnemian in Medicine

gastrocnemius gas·troc·ne·mi·us (gās'trŏk-nē'mē-əs, gās'trə-)
n. pl. gas·troc·ne·mi·i (-mē-ī')
A muscle with its origin from the lateral and medial condyles of the femur, with insertion with the soleus muscle by the Achilles tendon into the lower half of the posterior surface of the calcaneus, with nerve supply from the tibial nerve, and whose action causes plantar flexion of the foot.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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