Bio 20 - Anatomy/Physiology (2)
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22 terms
Terms | Definitions |
|---|---|
 arms, legs | Long bones are found in the _________ and __________. |
| shaft / diaphysis | The long main portion of the bone |
| epiphyses | The ends of the bones |
| epiphyseal plate | This is between the shaft and the epiphyses of the bone; also called the growth plate |
| rticular cartilage | This is found on the surfaces of the epiphyses and provides smooth movement in the joints |
| periosteum | This is the covering of the bone (like plastic wrap) and is responsible for muscle attachmane and for bone growth and repair |
| marrow cavity | This is the inntermost hollow areas of hte bone |
| endosteum | This is the lining of the marrow cavity and is used for growth and repair of the bone |
| red bone marrow | Younger people have an abundance of this and it is used to make red blood cells |
| yellow bone marrow | This is fatty tissue that gradually replace the red marrow as we get older |
| spongy bone | This is contained in the ends of a long bone |
| short bones | These bones are found in the wrist and the ankle |
| irregular-shaped bones | These bones are found inside the skull |
| flat bones | These bones are found in the ribs and top of the skull |
| Haversian system | This is the common feature of the micro-structure of a bone |
| central canal | This contains the Haversian blood vessel |
| cocentric lamellae | The central canal is surrounded by _________________ _____________ (layers of hard matrix). |
| lacunae | These ("pools") are located between the lamellae and are fluid filled spaces that contains osteocytes (living bone cells) |
| canaliculi | Osteocytes receive nourishment from tiny canals called _____________. |
| ossification | Cartilage incorperates calcium in a process called ________________ that changes cartilage to bone. |
| cartilage | After birth, the bone replaces _____________. |
| longer, diameter | Long bones get ______________ and increase in _______________ to increase their strength. |
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