- Anatomy, Botany. a structural part resembling a small beam or crossbar.
- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for trabeculae
(b) the trabeculae which meet behind and embrace the front end of the notochord.The Vertebrate Skeleton
Sidney H. Reynolds
The blood-vessels enter at one spot, the hilum, and are distributed along the trabeculae.
It causes a thinning of the cortex of the shafts and of the trabeculae of the spongy portions of the long and short bones.Surgery, with Special Reference to Podiatry
Sperm sacs generally occupying a good many segments and with simple interior undivided by a network of trabeculae.
Sperm sacs generally limited to one or two segments with interior subdivided by trabeculae.
- any of various rod-shaped structures that divide organs into separate chambers
- 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
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
- Any of the supporting strands of connective tissue projecting into an organ and constituting part of the framework of that organ.
- Any of the fine spicules forming a network in cancellous bone.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.