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week 5
skeletal tissues and skeletons
| Question | Answer |
|---|---|
| 5 functions of the skeleton | Support, Protection, movement, mineral storage, hematopoiesis |
| What are the 5 types of bones | Flat, Short, Long, Irregular, Sesamoid |
| What are the 6 main structures of the long bone | Diaphysis, epiphyses, articular cartilage, periosteum, medullary cavity, Endosteum |
| What are the structures of the flat bones | Internal and external table and the diploe |
| What makes up the osteon | Lamellae, lacunae, canaliculi and central canal |
| How is the bone marrow supplied with nutrients | Within the cancellous bone, one or more arteries within the internal medullary cavity provide nutrients. |
| What are the two kinds of bone marrow | Red marrow, produces red blood cells. Yellow marrow gradually replaces the red marrow as we age and increases the adipocytes (fat cells) and those replace the hematopoietic stem cells |
| What are the different kids of cartilage and where are they found | Hyalin- covers articular surfaces of bones, forms costal cartilage that connect ribs to sternum and breastbone. found in trachea, bronchi,tip of nose. Elastic- external ear, epiglottis, eustachian tubes Fibro-pubic symphysis, intervertibral disks |
| Growth of cartilage occurs in what ways | Interstitial - Mass divide and secrete additional matrix. Appositioinal growth - Chondrocytes in the deep ayer of perichondrium divide and screte additional matrix and its depositied on surface of cartilage thus increasing its size |
| What is the plate associated with growth | Epiphyseal plate between the epiphysis and diaphysis. |
Created by:
arovito
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