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trabecula

[truh-bek-yuh-luh]
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noun, plural tra·bec·u·lae [truh-bek-yuh-lee] /trəˈbɛk yəˌli/.
  1. Anatomy, Botany. a structural part resembling a small beam or crossbar.
  2. Botany. one of the projections from the cell wall that extends across the cavity of the ducts of certain plants, or the plate of cells across the cavity of the sporangium of a moss.

Origin of trabecula

1815–25; < New Latin trabēcula, Latin: little beam, equivalent to trabē(s) beam + -cula -cule1
Related formstra·bec·u·lar, tra·bec·u·late [truh-bek-yuh-lit, -leyt] /trəˈbɛk yə lɪt, -ˌleɪt/, adjectivein·ter·tra·bec·u·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for trabecula

trabecula

noun plural -lae (-ˌliː) anatomy botany
  1. any of various rod-shaped structures that divide organs into separate chambers
  2. any of various rod-shaped cells or structures that bridge a cavity, as within the capsule of a moss or across the lumen of a cell
Derived Formstrabecular or trabeculate, adjective

Word Origin

C19: via New Latin from Latin: a little beam, from trabs a beam
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

trabecula in Medicine

trabecula

(trə-bĕkyə-lə)
n. pl. tra•bec•u•lae (-lē′)
  1. Any of the supporting strands of connective tissue projecting into an organ and constituting part of the framework of that organ.
  2. Any of the fine spicules forming a network in cancellous bone.
Related formstra•becu•lar adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.