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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.

[Latin trabēcula, little beam or bar, diminutive of trabs, trab-, beam; see treb- in Indo-European roots.]

tra·bec′u·lar adj.


n, pl -lae (-ˌliː)
1. (Anatomy) any of various rod-shaped structures that divide organs into separate chambers
2. (Botany) 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]
traˈbecular, traˈbeculate, traˈbecuˌlated adj


(trəˈbɛk yə lə)

n., pl. -lae (-ˌli)
1. a structural body part that resembles a beam or a crossbar.
2. any of the barlike tissue structures that extend across the cavity in a plant duct or sac, as in the sporangium of a moss.
[1815–25; < New Latin trabēcula, Latin: little beam]
tra•bec′u•lar, tra•bec′u•late (-lɪt, -ˌleɪt) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trabecula - rod-shaped structures of fibrous tissue that divide an organ into parts (as in the penis) or stabilize the structure of an organ (as in the spleen)trabecula - rod-shaped structures of fibrous tissue that divide an organ into parts (as in the penis) or stabilize the structure of an organ (as in the spleen)
fibrous tissue - tissue consisting of or containing fibers in both animals and plants
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References in periodicals archive ?
In one of the earliest and largest case series, proliferative myositis on gross pathology was described as a poorly marginated white to grey "induration" most prominent between the muscle bundles, leading to a trabeculated pattern.
The anatomy of the RAA is unique and delicate in nature: a trabeculated and smooth-walled vestibule resulting from densely organized pectinate muscles, which impedes catheter manipulation and mapping as well as the precise delivery of effective energy to the desired point.
6] The cortical wall composed of loosely trabeculated osseous tissue and many thin walled vessel.
The trabeculated appearance with polygonal cells and abundant cytoplasm also brought hepatocellular carcinoma and adrenal cortical carcinoma into the differential considerations.
A study of magnetic resonance imaging demonstrated that there are age- and sex-related differences in trabeculated and compacted myocardium of 120 normal volunteers that must be taken into consideration when making the diagnosis of LVNC [25].
On cystoscopy, 113(45%) of these patients were diagnosed as enlarged prostate, 56(22%) as cystitis, 28(12%) as trabeculated bladder, and 14(5%) as vesical calculus, uretheral stenosis and uretheral stricture.
Towards the epicardium, the myocytes formed a dense layer which was highly trabeculated in the lumen side (Figure 8).
The bladder was moderately trabeculated and had multiple yellow-colored punctate lesions throughout.
The mass felt rubbery and sectioning revealed a gelatinous, tan-pink to grey surface that was focally trabeculated.
The enterochromaffinoma showed a glandular, trabeculated, insular pattern of bland nuclei with salt and pepper chromatin, prominent vessels and rare mitotic figures with no necrosis.
In the absence of a definable structural or neurological cause, the bladder becomes large and trabeculated in response to repeated contractions against closed sphincter.
Cystogram was normal in 120 intravenous urography while 7 had pathologies including 4 as displaced downwards, and one each was trabeculated, small capacity, and pear shaped.