- 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 trabecular
The trabecular floor of the brain does not long remain simple.The Origin of Vertebrates
Walter Holbrook Gaskell
There are also less obvious changes in the density of the shadow and in the arrangement of the trabecular structure of the bones.
The term caries is employed to indicate any diseased process associated with crumbling away of the trabecular framework of a bone.Manual of Surgery
Alexis Thomson and Alexander Miles
- 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
- 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.