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New HBS Vocab 1.1.4

TermDefinition
osteo a prefix that means bone
long bones bones that are longer than they are wide and have a shaft and two ends
short bones bones that have roughly equal dimensions in length, width, and thickness, giving them a cube-like shape
flat bones bones that are flat and not rounded in cross section
Irregular Bones bones that have a complex shape and don't fit into the categories of long, short, or flat bones
Diaphysis the long, tubelike shaft of long bones
Epiphysis expanded end of the long bones in animals
Epiphyseal Line a line on a bone that marks the site of an epiphyseal plate that has stopped growing and become ossified
Metaphysis the part of a long bone that's located between the diaphysis and the epiphysis
Medullary Cavity a hollow space in the middle of long bones that contains bone marrow and serves as a pathway for blood vessels
Yellow Bone Marrow a soft, fatty tissue that's found in the cavities of long bones, and is made up of fat cells and stem cells
Periosteum a fibrous sheath that covers bones
Articular Cartilage a white, living tissue that covers the ends of bones where they meet to form joints
Trabeculae the thin columns and plates of bone that create a spongy structure in a cancellous bone
Red Bone Marrow a soft, spongy tissue found in the center of most bones that produces blood cells
Osteon a cylindrical unit of bone that's the functional and structural unit of dense bone
Haversian Canal microscopic tubes or tunnels in cortical bone that house nerve fibers and a few capillaries
Osteoblast the cells that form new bones and grow and heal existing bones
Osteoclast the cells that degrade bone to initiate normal bone remodeling and mediate bone loss in pathologic conditions by increasing their resorptive activity
Canaliculi a minute canal in a bodily structure
Lamellae a thin flat scale, membrane, or layer
Endosteum a thin layer of vascular connective tissue that lines the inner surface of bones, including the medullary cavity
Lacuna a small cavity or space in bone that houses an osteocyte, a bone cell
Arterioles a very small blood vessel that branches off from your artery and carries blood away from your heart to your tissues and organs
Venules the smallest veins and receive blood from capillaries
Created by: jackson h
 

 



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