Term
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Definition
A. Support
B. Protection
C. Levers – movement
D. Storage
E. Blood cell production – hematopoiesis
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Term
| bone or osseous tissue contains... |
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Definition
1. mineral salts (calcium phosphate and calcium carbonate) Ca(PO4)2 + (OH)2 and Ca CO2. Hydroxyapatites (67% of bone).
2. Collagenous fibers (33% of bone) – salts are deposited on collagenous fibers
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Term
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Definition
| shaft of long portion of bone |
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Term
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Definition
1. extremities or ends of bone. (metaphysic – region of mature bone where the diaphysis joins the epiphysis.
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Term
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Definition
hyaline cartilage covering epiphysis |
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Term
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Definition
dense white, fibrous covering of bone
a. fibrous layer (outer) containing blood vessels, lymphatic vessels and nerves.
b. Osteogenic layer (inner) contains elastic fibers, blood vessels, and osteoblasts (forms new bone during growth or repait)
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Term
| Medullary or marrow cavity |
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Definition
| space within the diaphysis |
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Term
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Definition
1. layer of osteoblasts that line the medullary cavity and contain scattered osteoclasts (may play a role in removal of bone).
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Term
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Definition
a. Volkmann’s canals
b. Haversian system or osteon
(1 )lamellae
(2 )lacunae
(3 )canaliculi
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Term
| Spongy or cancellous bone |
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Definition
a. trabeculae
b. red marrow
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Term
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Definition
| process by which bones form in the body |
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Term
| The “skeleton” or human embryo is composed of |
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Definition
either fibrous membranes or hyaline cartilage
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Term
| when does Ossification begins? |
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Definition
| 6th week of embryonic life and continues throughout adulthood |
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Term
Two kinds of bone formation
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Definition
a. Intramembranous ossification – formation of bone directly on or within the fibrous membranes
b. Endochondral ossification – formation of bone in cartilage,
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Term
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Definition
Osteoblasts will form bone tissue by intramembranous or endochondral ossification.
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