trabecula

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trabecula

 [trah-bek´u-lah] (L.)
a small beam or supporting structure; used in anatomic nomenclature to designate various fibromuscular bands or cords providing support in various organs, as heart, penis, and spleen, adj., adj trabec´ular.
trabeculae of bone anastomosing bony spicules in cancellous bone which form a meshwork of intercommunicating spaces that are filled with bone marrow.

tra·bec·u·la

, gen. and pl.

tra·bec·u·lae

(tră-bek'yū-lă, -lē), [TA]
1. A meshwork; one of the supporting bundles of fibers traversing the substance of a structure, usually derived from the capsule or one of the fibrous septa.
2. A small piece of the spongy substance of bone usually interconnected with other similar pieces.
3. In histopathology, a band of neoplastic tissue two or more cells wide.
[L. dim. of trabs, a beam]

trabecula

/tra·be·cu·la/ (trah-bek´u-lah) pl. trabe´culae   [L.] a little beam; in anatomy, a general term for a supporting or anchoring strand of connective tissue, e.g., a strand extending from a capsule into the substance of the enclosed organ.trabe´cular
trabeculae of bone  anastomosing bony spicules in cancellous bone which form a meshwork of intercommunicating spaces that are filled with bone marrow.
fleshy trabeculae of heart  irregular bundles and bands of muscle projecting from a great part of the interior walls of the ventricles of the heart.
septomarginal trabecula  a bundle of muscle at the apical end of the right cardiac ventricle, connecting the base of the anterior papillary muscle to the interventricular septum.

trabecula

(trə-bĕk′yə-lə)
n. pl. trabecu·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.

tra·bec′u·lar adj.

tra·bec·u·la

, pl. trabeculae (tră-bek'yū-lă, -lē) [TA]
1. One of the supporting bundles of fibers traversing the substance of a structure, usually derived from the capsule or one of the fibrous septa.
2. A small piece of the spongy substance of bone usually interconnected with other similar pieces.
3. histopathology A band of neoplastic tissue two or more cells wide.
[L. dim. of trabs, a beam]

trabecula

Supporting strands of connective tissue constituting part of the framework of an organ.

tra·bec·u·la

, pl. trabeculae (tră-bek'yū-lă, -lē) [TA]
Meshwork; one of the supporting bundles of fibers traversing substance of a structure, usually derived from the capsule or one of the fibrous septa.
[L. dim. of trabs, a beam]

trabecula

pl. trabeculae [L.] a small beam or supporting structure; various fibromuscular bands or cords providing support in various organs, such as heart, penis and spleen.

bone trabecula
anastomosing bony spicules in cancellous bone which form a meshwork of intercommunicating spaces that are filled with bone marrow.
septomarginal trabecula, trabecula septomarginalis
the moderator bands passing from the interventricular septum to the peripheral ventricular wall of the heart.