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
Beneath the arachnoid is a thin, filamentous mesh called the arachnoid trabeculae, which looks like a spider web, giving this layer its name.
From Textbooks ● Jun. 19, 2013
The trabeculae are found in the subarachnoid space, which is filled with circulating CSF.
From Textbooks ● Jun. 19, 2013
In addition, the spaces in some spongy bones contain red marrow, protected by the trabeculae, where hematopoiesis occurs.
From Textbooks ● Jun. 19, 2013
Further, the trabeculae may be evenly spaced throughout the septum, or may be grouped together, and this feature is probably of value in estimating the affinities of corals.
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.
