trabecula
Americannoun
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Anatomy, Botany. a structural part resembling a small beam or crossbar.
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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.
noun
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any of various rod-shaped structures that divide organs into separate chambers
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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
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of trabecula
1815–25; < New Latin trabēcula, Latin: little beam, equivalent to trabē ( s ) beam + -cula -cule 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The trabeculae may appear to be a random network, but each trabecula forms along lines of stress to provide strength to the bone.
From Textbooks ● Jun. 19, 2013
Each node of a trabecula may be simple, i.e. have only one centre of calcification, or may be compound.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various
The medial liver trabecula into which the enteron was seen to open, in the preceding figure, now opens ventrally to the yolk-sac as the anterior intestinal portal.
From Development of the Digestive Canal of the American Alligator by Reese, C. M.
Using medical imaging as a guide, they recreated the delicate lattice known as trabeculae that gives bone its internal strength.
From Science Daily ● Mar. 3, 2026
Spongy bone tissue is composed of trabeculae and forms the inner part of all bones.
From Textbooks ● Jun. 9, 2022
The trabeculae and lobules, including the darkly staining cortex and the lighter staining medulla of each lobule, are clearly visible in the light micrograph of the thymus of a newborn.
From Textbooks ● Jun. 19, 2013
Like the thymus, the bean- shaped lymph nodes are surrounded by a tough capsule of connective tissue and are separated into compartments by trabeculae, the extensions of the capsule.
From Textbooks ● Jun. 19, 2013
The aporose corals, too, have a practically identical structure, their compactness being due to the union of the trabeculae throughout their entire lengths instead of at intervals, as in the Perforata.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
