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30 Cards in this Set
- Front
- Back
Hyaline Cartilage
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*provide flexibility and resilence
* most abundant skeletal cartilages * found in nose, ends of movable joints, ribs, |
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Elastic Cartilage
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Found in only two locations
*external ear * epiglottis |
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Fibrocartilage
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great tensile strength
Found *menisci of the knee * discs between vertebrae |
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Axial skeleton
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forms long axis of the body and includes the bones of the skull, vertebral column, and rib cage.
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Appendicular skeleton
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consists of bones of the upper and lower limbs and the girdles (shoulder bones and hip bones)
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Long bones
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all bones except for patella, and the wrist and ankle bones
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Short bones
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wrist and ankle bones
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Sesamoid bone
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Patella
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Flat bones
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sternum, scapula, ribs, and most skull bones.
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Irregular bones
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vertebrae, and the hip bones
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compact bone
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external layer of bone
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spongy bone
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internal layer of bone
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diaphysis
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shaft of a bone.
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epiphysis
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the bones ends
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Medullary cavity
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what the compact bone surrounds
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epiphyseal line
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between the diaphysis and each epiphysis
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epiphyseal plate
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a disc of hyaline cartilage that grows during childhood to lengthen bone
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Sharpy's fibers
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how the periosteum is secured
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Periosteum
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glistening white, double layered membrane that covers the external surface of the entire bone
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Endosteum
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delicate connective tissue that covers the internal bone surfaces
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Osteoblasts
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bone forming cells "bone builders"
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Osteoclasts
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Bone destroyers
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Diploe
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the spongy bone in a flat bone, arrangement is like a stiffened sandwich
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Red Marrow
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typically found within the trabecular cavities of spongy bone of long bones and in the diploe of flat bones
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Osteon
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the structual unit of compact bone
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Haversian canal
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runs through the core of each osteon
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Lamella
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the matrix tube
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Volkmann's canal
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lie at right angles to the long axis of the bone and connect the blood and nerve supply of the periosteum to those in the central canal and medullary cavity
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Osteocytes
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spider shaped, occupy lacunae at junctions of the lamellae
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Lacunae
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space that the osteocytes take up
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