retinaculum

[ ret-n-ak-yuh-luhm ]

/ ˌrɛt nˈæk yə ləm /

noun, plural ret·i·nac·u·la [ret-n-ak-yuh-luh]. /ˌrɛt nˈæk yə lə/.

Anatomy, Zoology. any of various small structures that hook, clasp, or bind other structures to move them or hold them in place.

Entomology. a bristle on the butterfly forewing that clasps to the frenulum of the hindwing.

Origin of retinaculum

1815–25; <New Latin; Latin retināculum tether, rope which holds fast or restrains, equivalent to retin(ēre) to hold fast, retain + -ā- (from v. stems ending in -ā-;cf. gubernaculum) + -culum-cule²

Words nearby retinaculum

reticulum cell sarcoma, retiform, retiform tissue, retin-, retina, retinaculum, retinaculum of fibular muscles, retinaculum of flexor muscles, retinaculum of peroneal muscles, retinaculum of skin, retinaculum tendinum

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for retinaculum

This process is termed the retinaculum, and serves, in conjunction with the frenulum, to lock the wings together during flight.
New Zealand Moths and Butterflies|G. V. Hudson
In many of the Lepidoptera both frenulum and retinaculum are entirely wanting.
New Zealand Moths and Butterflies|G. V. Hudson
Most, however, have four, the leaf stomach or psalterium being intercalated between the retinaculum and the abomasum.
The Anatomy of the Human Peritoneum and Abdominal Cavity|George. S. Huntington
The retinaculum is not correctly represented in this figure, it arises from the anterior side of the sub-costal nervure.
Discoveries in Australia, Volume 1.|J Lort Stokes

British Dictionary definitions for retinaculum

retinaculum

/ (ˌrɛtɪˈnækjʊləm) /

noun plural -la (-lə)

connection or retention or something that connects or retains

zoology a small hook that joins the forewing and hind wing of a moth during flight

Derived forms of retinaculum

retinacular, adjective

Word Origin for retinaculum

C18 (a surgical instrument used in castration): Latin, from rētinēre to hold back

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 retinaculum

retinaculum

[ rĕt′n-ăk′yə-ləm ]

n. pl. ret•i•nac•u•la (-lə)

A band or bandlike structure that holds an organ or a part in place.

Other words from retinaculum

ret′i•nac′u•lar (-lər) adj.

单词	retinaculum
释义	retinaculum [ ret-n-ak-yuh-luhm ] / ˌrɛt nˈæk yə ləm / noun, plural ret·i·nac·u·la [ret-n-ak-yuh-luh]. /ˌrɛt nˈæk yə lə/. Anatomy, Zoology. any of various small structures that hook, clasp, or bind other structures to move them or hold them in place. Entomology. a bristle on the butterfly forewing that clasps to the frenulum of the hindwing. Origin of retinaculum 1815–25; <New Latin; Latin retināculum tether, rope which holds fast or restrains, equivalent to retin(ēre) to hold fast, retain + -ā- (from v. stems ending in -ā-;cf. gubernaculum) + -culum-cule² Words nearby retinaculum reticulum cell sarcoma, retiform, retiform tissue, retin-, retina, retinaculum, retinaculum of fibular muscles, retinaculum of flexor muscles, retinaculum of peroneal muscles, retinaculum of skin, retinaculum tendinum Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for retinaculum This process is termed the retinaculum, and serves, in conjunction with the frenulum, to lock the wings together during flight. New Zealand Moths and Butterflies\|G. V. Hudson In many of the Lepidoptera both frenulum and retinaculum are entirely wanting. New Zealand Moths and Butterflies\|G. V. Hudson Most, however, have four, the leaf stomach or psalterium being intercalated between the retinaculum and the abomasum. The Anatomy of the Human Peritoneum and Abdominal Cavity\|George. S. Huntington The retinaculum is not correctly represented in this figure, it arises from the anterior side of the sub-costal nervure. Discoveries in Australia, Volume 1.\|J Lort Stokes British Dictionary definitions for retinaculum retinaculum / (ˌrɛtɪˈnækjʊləm) / noun plural -la (-lə) connection or retention or something that connects or retains zoology a small hook that joins the forewing and hind wing of a moth during flight Derived forms of retinaculum retinacular, adjective Word Origin for retinaculum C18 (a surgical instrument used in castration): Latin, from rētinēre to hold back 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 retinaculum retinaculum [ rĕt′n-ăk′yə-ləm ] n. pl. ret•i•nac•u•la (-lə) A band or bandlike structure that holds an organ or a part in place. Other words from retinaculum ret′i•nac′u•lar (-lər) adj. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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