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spongy bone n.
Bone in which the spicules form a latticework, with interstices filled with embryonic connective tissue or bone marrow. Also called cancellous bone, spongy substance, trabecular bone.
Any of the turbinate bones.
light, porous bone enclosing numerous large spaces that give a honeycombed or spongy appearance. The bone matrix, or framework, is organized into a three-dimensional latticework of bony processes, called trabeculae, arranged along lines of stress. The spaces between are often filled with marrow