Term
| Describe the basic characteristics of cartilage |
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Definition
| Chondrocytes, matrix, perichondrium, nonvascular |
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Term
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Definition
| Cartilage cells that are stiff and between |
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Term
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Definition
Intracellular matrix
A. Jelly like substance (glycoproteins=protein + CHO)
B. Collagen- protein that makes is strong
C. Elastic fibers- Stretchy |
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Term
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Definition
| Wrapper, envelope, around cartilage |
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Term
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Definition
| no blood flow, slows down healing, relies on surroundings for nutrients |
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Term
| 3 types 3 basic Cartilage types |
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Definition
1. Hyaline-Most common
2. Elastic-not very common
3. Fibrocartilage-collage, strongest of all |
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Term
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Definition
1. Numerous chondrocytes
2. Joints, nose, throat, trachea, ribs, embryo
Most Common |
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Term
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Definition
| Epiglottis, pinna, Eustachian tube, and ear |
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Term
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Definition
Intervetral disc, symphysis pubis
Braided smooth collagen
Strongest of all |
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Term
| Describe the Composition of Bone |
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Definition
Connective Tissue
1. Osteocytes, osteoblasts, osteoclasts
2. Matrix
3. Very Vascular-lots and lots of blood vessels
4. Periosteum
5. general functions- support & protection, blood formation in bone marrow, storage, and movement |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Bone destroying cells (breaks down bone cells) |
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Term
| Matrix-Intracellular substance |
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Definition
Calcium makes bone hard
A) calcium phosphate (2/3): most of bone matrix to provide hardness
B) Hydroxyapatite crystals-made of calcium and calcium carbonate
C) Collagen (1/3): some of bone matrix to provide strengtha |
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Term
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Definition
| Outer layer that covers bones, very rich in osteoblasts |
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Term
| 7 Parts of a Typical Long Bone |
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Definition
1. Dyaphysis
2. Epiphysis
3. Metaphysis
4. Articular Cartilage
5. Periosteum
6. Marrow=meullary cavity
7. Endosteum |
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Term
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Definition
Shaft
Main body- long center part |
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Term
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Definition
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Term
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Definition
NECK
Where the epiphyses and Diaphyses meet |
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Term
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Definition
| Covers epiphysis-smooth hyaline cartilage |
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Term
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Definition
Inside of bone
Bone marrow either fat or red |
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Term
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Definition
| Lining envelope around the marrow cavity rich in osteoclasts |
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Term
| Name the 2 types of bone according to the amount of interosseous space. |
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Definition
1. Compact Bone (Osteon)
2. Spongy= Cancellous |
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Term
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Definition
Really solid
not many spaces, really compact, really strong
Cylinders running up and down the bone |
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Term
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Definition
1. Central (haversian) canal-center of each osteon, blood vessels
2. Perforating (Volkmann's) canal-In and out laterally to transfer
3. Lamellae-concentric rings (tree rings)
4. Osteocytes in lacunae |
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Term
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Definition
| Little hollowed out area where bone cell can be located |
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Term
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Definition
Little beams that cant withstand forces from many different directions but not as strong
Red bone marrow is found in-between this |
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Term
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Definition
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Term
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Definition
| Direct=Osteoblasts make bone |
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Term
| Endochondral (epiphyseal plate) |
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Definition
indirect- First make cartilage then turns into bone
this happens in long bones as you growf |
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Term
| Remodeling & Diameter Growth |
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Definition
| Osteoclasts break down the bone from the center while osteoblasts found int he periosteum create more bone. |
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Term
| 4 Types of Bones according to shape |
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Definition
1. Long
2. Short
3. Flat
4. Irregular |
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Definition
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Small, flattened articular surface |
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Definition
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Term
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Definition
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Term
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Definition
| General term for a depression |
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Term
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Definition
| branch off the body beyond the angle |
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Term
| How many Bones are there in an adult human skeleton |
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Definition
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Term
| Name the 2 main divisions of the human skeleton and the number of bones in each division |
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Definition
1. Axial Skeleton-80 bones
2. Appendicular Skeleton- 126 Bone, which includes girdles and appendages |
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