Term
| functions of compact bone |
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Definition
1. strength 2. leverage 3. house yellow bone marrow 4. house red bone marrow |
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Term
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Definition
1. reduce weight 2. house red bone marrow |
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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
| what is the diff. b/w primary + secondary ossification centers? |
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Definition
Primary- located in the Diaphysis Secondary- Epiphysis |
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Term
| Functions of the skeleton |
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Definition
1. support the body 2. proctect soft organs 3. movement 4. storage of minerals and fats 5. creation of RBC and WBCs |
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Term
| What is the structural unit of compact bone? |
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Definition
| Osteon (Haversian System) |
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Term
| What is a long bone, give EX. |
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Definition
a bone that is longer thatn it is wide, composed mostly of compact bone EX. femur, humerous |
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Term
| What is a short bone, give EX. |
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Definition
A short, cube shaped bone, made mostly of spongy bone. EX. carpals and tarsals |
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Term
| what is a irr. bone or flat bone, give EX. |
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Definition
| Irr. shaped + thin bone , ushally curved, thin layers of compact bone surronding spongy bone. EX. skull, ribs, sternum, vertebre, hip |
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Term
| @ growth palte, is the Epi. being pushed away lfrom diaphysis or is the Di. being pulled toward the Epi.? |
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Definition
| The epi. is being pushed from diaphysis. |
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Term
| how do cranial bones form? |
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Definition
Intramembranous ossification. the Mesachymal cells make up "bone", osteoblasts form Oss. centerand make spongy bone + osteoclasts are trapped init, than a plate of compact bone forms arround it. |
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Term
| What is appositional growth? |
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Definition
| Growth by adding naw layers of bone on top of old layers (olny on the outside of bone). |
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Term
| What is Interstital growth? |
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Definition
| Chondrocytes expand the cart. from within. |
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Term
| what is the function of intervertebral discs? |
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Definition
| To proctect the vertebre and with stand great pressure (acts like a padding). |
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Term
| What is the main function axial skelton? |
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Definition
| To protect, support, and carry other body parts and organs. |
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Term
Which bone of the arm has atuberosity near its middle? |
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Definition
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Term
| What is the non-weight bearing bone of the leg? |
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Definition
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Term
| What is unique about the hyoid bone? |
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Definition
| It dosen't articulate w/ and other bone. |
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Term
| what is the scientific name of a babies "soft spot"? |
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Definition
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Term
What are the 3 parts of the Sternum? |
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Definition
1. Menubrium (top) 2. Body (middle) 3. Zyphoid Process (bottom) |
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Term
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Definition
The small, plate like parts/ fibers of spongy bone. (cotton candy) |
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Term
| List the bone cells and their functions |
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Definition
1. Mesachymal- mother of all cells 2. Osteoblast- builds bone 3. Osteoclast- breaks down/ crumbles bone 4. Osteocytes- mature bone cells that are enclosed in Lacune or Trabucle |
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Term
| What part of the hip complex is the largest, smallest? |
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Definition
largest- Illiums Smallest- Pubis |
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