A trabecula is a tissue element in the form of a structural element whose mode of deflection is primarily by what?
Trabecula: A trabecula (plural trabeculae, from Latin for "small beam") is a small, often microscopic, tissue element in the form of a small beam, strut or rod that supports or anchors a framework of parts within a body or organ. Beam (structure): A beam is a structural element that primarily resists loads applied laterally to the beam's axis. Beam (structure):  Its mode of deflection is primarily by bending.
bending