KIN 2500 Chapter : Chapter 6 SI Worksheet
15 Mar 2019
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Categories of bones: ____long bone: longer than they are wide, have more compact bone than spongy bone, ex. Humerus: __________short_ bone: wider than they are long, almost rectangular shaped, have more spongy bone than compact bone, ex. Trapezoid: __________flat bone: layer of spongy bone between 2 layers of compact bone, ex. Vertebrae: ___________sesamoid bone: usually involved with the attachment of tendons and ligaments, ex. _____________: 2 layers, fibrous dense irregular connective tissue layer. Endosteum lines the intereior of the medullary cavity. Derived from mesenchyme; always mitotic; can still divide. 4 types of cells in bone tissue osteoblasts osteocytes osteoclasts. Forms the bone matrix and collagen fibers; initiate calcification. No longer making new bone tissue; maintains the health of the bone. *my advice: many of the markings below have the same or very similar descriptions. Fissure a narrow slit between adjacent parts of bones through which blood vessels or nerves pass.
