trabecula

noun6

1. •
   A small supporting beam.
2. •
   A small mineralized spicule that forms a network in spongy bone.
3. •
   A fibrous strand of connective tissue that supports it in place.
4. •
   One of the fleshy columns, or columnae carneae, in the ventricle of the heart, to which the chordae tendineae are attached.
5. •
   A projection from the cell wall across the cell cavity of the ducts of certain plants.
6. •
   Either of a pair of movable appendages on the head, in front of the antennae, of some mallophagous insects.