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To play click on circle Back to menu ‘ Dem Bones.

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Presentation on theme: "To play click on circle Back to menu ‘ Dem Bones."— Presentation transcript:

1

2 To play click on circle Back to menu ‘ Dem Bones

3 Back to menu

4 1 What is the central canal? Click here for answer back

5 2 This makes up most of the bone’s length. (Shaft) back Click here for answer What is the diaphysis?

6 3 In adults, the cavity of the shaft is called this. back Click here for answer What is yellow marrow or the medullary cavity?

7 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?

8 1 back Click here for answer What are perforating or Volkmann’s canals?

9 2 This is a fibrous connective tissue membrane that covers and protects the diaphysis. back Click here for answer What is periosteum?

10 3 These are mature bone cells. back Click here for answer What are osteocytes?

11 4 This a complex consisting of central canal and matrix rings. back Click here for answer What is an osteon or Haversian system?

12 1 back Click here for answer What is the epiphysis?

13 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?

14 3 Osteocytes are found in these tiny cavities. back Click here for answer What are lacunae?

15 4 In embryos, the skeleton is primarily made of this. back Click here for answer What is hyaline cartilage?

16 1 This is the process of bone formation. back Click here for answer What is ossification?

17 2 This is the process by which bone increase in diameter. back Click here for answer What is appositional growth?

18 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?

19 4 Bone are remodelled in response to which two factors? back Click here for answer Calcium levels, gravity

20 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.

21 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?

22 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

23 4 These connect osteocytes to their nutrient supply. back Click here for answer What are canaliculi?


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