n. 小梁, 小柱, 横条

[医] 小梁, 柱

[ noun ]
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)
<noun.body>

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.