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)

WordNet Word definitions in WordNet
n. 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) [also: trabeculae (pl)]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Trabecula \Tra*bec"u*la\, n.; pl. Trabecul[ae] (-l[=e]). [L., a little beam.] (Anat.) A small bar, rod, bundle of fibers, or septal membrane, in the framework of an organ part.

Wikipedia Word definitions in Wikipedia
Trabecula is a genus of very small sea snails , marine gastropod molluscs or micromolluscs in the family Pyramidellidae , the pyrams and their allies, and the subfamily Chrysallidinae , a large taxon of minute marine gastropods with an intorted protoconch ...

Wiktionary Word definitions in Wiktionary
n. 1 A small supporting beam. 2 (context anatomy English) A small mineralized spicule that forms a network in spongy bone. 3 (context anatomy English) A fibrous strand of connective tissue that supports it in place.