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Presentation transcript:

To play click on circle Back to menu ‘ Dem Bones

Back to menu

1 What is the central canal? Click here for answer back

2 This makes up most of the bone’s length. (Shaft) back Click here for answer What is the diaphysis?

3 In adults, the cavity of the shaft is called this. back Click here for answer What is yellow marrow or the medullary cavity?

4 This is a flat section of hyaline cartilage that causes the lengthwise growth of a long bone. back Click here for answer What is the epiphyseal plate?

1 back Click here for answer What are perforating or Volkmann’s canals?

2 This is a fibrous connective tissue membrane that covers and protects the diaphysis. back Click here for answer What is periosteum?

3 These are mature bone cells. back Click here for answer What are osteocytes?

4 This a complex consisting of central canal and matrix rings. back Click here for answer What is an osteon or Haversian system?

1 back Click here for answer What is the epiphysis?

2 This covers the external surface of the epiphyses and provides a smooth, slippery surface that decreases friction at joint surfaces. back Click here for answer What is articular cartilage?

3 Osteocytes are found in these tiny cavities. back Click here for answer What are lacunae?

4 In embryos, the skeleton is primarily made of this. back Click here for answer What is hyaline cartilage?

1 This is the process of bone formation. back Click here for answer What is ossification?

2 This is the process by which bone increase in diameter. back Click here for answer What is appositional growth?

3 These are activated by PTH to break down bone matrix and release Ca+ ions into the blood. back Click here for answer What are osteoclasts?

4 Bone are remodelled in response to which two factors? back Click here for answer Calcium levels, gravity

1 back Click here for answer What is RICKETS? This is a disease of children in which the bones fail to calcify. The bones soften and definite bowing of the legs occurs.

2 This process is essential if bones are to retain normal proportions and strength during long-bone growth. back Click here for answer What is bone remodeling?

3 What happens when blood calcium levels are too high? back Click here for answer Calcium is deposited in bone matrix as hard calcium salts

4 These connect osteocytes to their nutrient supply. back Click here for answer What are canaliculi?