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physio bones

bones and bones tissue

woven bone? where is it found? has fibers randomly oriented in many directions. its found in fetal bones that are being repaired from a fracture.
Lamella bone? mature bone organized into thin layers.
describe the structure of cancellous bone less bone matrix and more space, spaces are filled with bone marrow and blood vessels called spongy bone.
what are trabeculae? function? concentric layers of tissue with osteocytes in lacunae, they communicate with other osteocytes by canaliculi.
how do osteocytes within trabeculae obtain nutrients? the osteocytes get nutrients by the diffusing of nutrients through the bone.
structure of compact bone? compact bone is denser than the cancellous bone, and has lamella so fewer spaces.
what is an osteon? the basic unit of bone
three types of lamella in compact bone? concentric lamella, central canal, and osteocytes canalaculi.
pathway nutrients must go from blood vessels in the periosteum to osteocytes within osteons? osteocytes receive nourishment and eliminate wastes through the canal systems. blood enters through the periosteum into the transverse perforating canals. blood then goes up the central canal, the concentric lamella moves through cytoplasm into lacunae
Created by: khopec96