Term
| Name the five primary functions of the skeletal system. |
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Definition
| Support, Storage of minerals and lipids, Blood cell production (red marrow), Protection, Movement (force of motion) |
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Term
| Small, flat, irregularly shaped bones between the flat bones of the skull. |
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Definition
| Sutural, or Wormian Bones |
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Term
| These bones have complex shapes with short, flat, notched, or ridged surfaces. |
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Definition
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Term
| The spinal vertebrae, the bones of the pelvis, and several skull bones are examples of what bone shape? |
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Definition
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Term
| Small and boxy bones such as the carpals and tarsals are what shape? |
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Definition
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Term
| Bones that have thin, parallel surfaces. These bones form the roof of the skull, sternum, ribs, and scapulae. |
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Definition
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Term
| These bones are fairly long and slender. Examples are the bones in the arm, forearm, thigh, etc. |
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Definition
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Term
| Small, flat bones that develop inside tendons and are most commonly located near joints at the knees, hands and feet. |
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Definition
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Term
| The matrix of bone is very dense and contains deposits of ________ ________. |
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Definition
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Term
| Bone matrix contains _________ within lacunae organized around blood vessels. |
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Definition
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Term
| Narrow pathways, called __________ extend between lacunae and blood vessels. |
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Definition
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Term
| The periosteum is made up of what type of tissue? |
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Definition
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Term
| The periosteum is made up of an outer _______ layer and an inner ________ layer. |
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Definition
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Term
| Accounts for almost 2/3's dry weight of a bone. |
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Definition
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Term
| This organic portion of the bone matrix accounts for 1/3 the dry weight of the bone and provides flexibility. |
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Definition
| Protein Fibers (collagen) |
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Term
| Bone contains 4 types of cells: |
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Definition
| Osteocytes, Osteoblasts, Osteoclasts, Osteoprogenitor cells |
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Term
| Osteocytes have 2 major functions: |
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Definition
| Maintain bone matrix, participate in the repair of damaged bone |
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Term
| This type of bone cell produces new bone matrix in a process called ossification. |
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Definition
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Term
| Immature bone cell that secretes organic compounds of matrix. |
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Definition
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Term
| Type of bone cell located in inner, cellular layer of periosteum, endosteum, and blood vessels. |
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Definition
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Term
| Mesenchymal stem cells that divide to produce osteoblasts. Responsible for repair of fractures. |
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Definition
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Term
| Multinucleate cell that secretes acids and enzymes to dissolve bone matrix. |
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Definition
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