5 Written Questions
5 Matching Questions
- Which bone cells have gap junctions?
- Can bone grow by interstitial method like cartilage?
- What are the forms of calcium phosphate
- What types of fibers are in cartlidge and what is the function of each?
- What effect does Thyrocalcitonin have on bone?
- a osteocytes
- b inhibits bone resorption and lowers blood Ca levels
- c Crystalline calcium in the form of Hydroxyappetite crystals
Calcium carbonate salts
- d bone grows appositionally only
- e Collagen - adds tensile strength
Elastic fibers - impart (give) elasticity to cartilage
5 Multiple Choice Questions
- Appositional growth by adding new cartilage under the perichondrium through the activity of the chondrogenic layer of the perichondrium
Interstitial growth - Growth from inside out
chondrocytes in lacunae undergo mitosis forming cell nests/isogenous groups MITOTIC GROWTH
- they transmit interstitial fluid and nutrients
- bone marrow
- calcifying zone
5 True/False Questions
What is the epiphysis of bones? → The area between the the epiphysis and diaphysis
What is osteoid tissue made of? → collagen fibers Type I and ground substance
What effect does parathyroid hormone have on bone? → Gigantism if gets too much
Dwarfism if does not get enough
What makes osteoclasts? → programmed cell death
What are the enzymes secreted by osteoclast and the action of each? → Osteoblasts secrete alkaline phosphatase that leads to the deposition of calcium salts