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trabecula

play
noun tra·bec·u·la \trə-ˈbe-kyə-lə\

Definition of trabecula

plural tra·bec·u·laeplay \-ˌlē, -ˌlī\ also tra·bec·u·las

  1. 1 :  a small bar, rod, bundle of fibers, or septal membrane in the framework of a body organ or part

  2. 2 :  a fold, ridge, or bar projecting into or extending from a plant part; especially :  a row of cells bridging an intercellular space

tra·bec·u·lar play \-lər\ adjective
tra·bec·u·late play \-lət\ adjective


Origin of trabecula

New Latin, from Latin, little beam, diminutive of trabs, trabes beam


First Known Use: circa 1866


Medical Dictionary

trabecula

play
noun tra·bec·u·la \trə-ˈbek-yə-lə\

Medical Definition of trabecula

plural tra·bec·u·lae \-ˌlē\play also tra·bec·u·las

  1. 1:  a small bar, rod, bundle of fibers, or septal membrane in the framework of a bodily organ or part (as the spleen)

  2. 2:  one of a pair of longitudinally directed more or less curved cartilaginous rods in the developing skull of a vertebrate that develop under the anterior part of the brain on each side of the pituitary gland and subsequently fuse with each other and with the parachordal cartilages to form the base of the cartilaginous cranium

  3. 3:  any of the intersecting osseous bars occurring in cancellous bone




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