trabecula


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to trabecula: Septomarginal trabecula

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.

trabecula

interconnecting supporting bundles of ossified fibrous tissue, traversing subcortical bone and oriented to lines of force within bone

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.
References in periodicals archive ?
Because vertical trabeculae are lost massively, the loads supported by the remaining vertical trabeculae are too large, which may produce too much bending on the cross-bracing horizontal trabecula between them.
In the present study we demonstrated clear antiosteoporotic effects of SIL on bone structure as evident by improved trabecula thickness of the femur and increased serum calcium and phosphorus.
Cells contain arranged in nests, abundant lipofuscin sheets, or trabecula.
Una trabecula septomarginal que media 11,0 mm de largo, se extendia entre el musculo papilar subarteriosus y el musculo papilar magnus.
An individual trabecula was isolated with fine scissors from the inner wall of the ventricle and secured with minuten pins to a Sylgard well in a small recording chamber.
2 mm), delgada, con pubescencia corta y pelos erectos; el dorso del mesosoma tiene pubescencia adpresa; las obreras son nodrizas que cuidan y transportan los huevos desde la camara de la reina hasta la camara de cria donde construyen la trabecula, en la cual depositan los huevos y se desarrollan las larvas y pupas; tambien son las procuradoras de alimento fuera del nido y guardias en su interior; los estados inmaduros de las obreras existen todo el ano, pues su repoblacion es continua.
Then, radiography and MicroCT scanning were performed to observe distribution and connection with surrounding bone trabecula of PMMA and ICPC/FS/rhBMP-2 and new bone formation.