Anatomy Ch.6
Terms
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- A complex and dynamic living tissue, continually engages in a process called remodeling?
- Bone tissue
-
Which is NOT a function of the skeletal system?
A.mineral homeostasis
B.protection
C.support
D.movement - D. Movement
- What are the two main minerals that are stored in bone tissue?
- calcium and phosphorus
- Red bone marrow produces red blood cells, white blood cells, and platelets? T/F
- True
- The production of blood cells is called?
- hemopoiesis (hematopoiesis)
- Bone tissue is used for triglyceride storage in yellow bone marrow? T/F
- True; adipose cells store triglycerides
- The bones shaft or body?
- diaphysis
- The distal and proximal ends of long bones?
- epiphyses
- Part of a bone where the diaphysis joins the epiphyses?
- metaphyses
- Each metaphysis includes an _______ which allows the diaphysis of bone to grow in length?
- epiphyseal plate
- a thin layer of hyaline cartilage covering part of the epiphysis?
- articular cartilage-forms an articulation (joint) with another bone-
- the tough sheath of dense irregular connective tissue that surrounds the bone surface, helps nourish the bone tissue?
- periosteum
- The space within the diaphysis that contains fatty yellow bone marrow?
- medullary cavity or (marrow cavity)
- A thin membrane that lines the medullary cavity?
- endosteum
- Bone, or osseous tissues extracellular matrix is 25% water, 25% minerals and 50% collagen fibers? T/F
- False; 25% water, 25% collagen fibers, and 50% minerals.
- calcium phosphate combines with calcium hydroxide to form crystals of?
- hydroxyapatite (inorganic)
-
Which is correct about extracellular matrix of bone?
A.1/5 organic
B.3/4 inorganic
C.2/3 organic - B. 3/4 inorganic
- hardening of the bone?
- calcification; initiated by osteoblasts
- What are the four types of cells in bone tissue?
-
1. osteogenic cells
2. osteoblasts
3. osteocytes
4. osteoclasts - Cells that are unspecialized stem cells derived from mesenchyme?
- Osteogenic cells
- Bone building cells?
-
*osteoblasts*
*VERY IMPORTANT* - Mature bone cells that maintain bone function?
-
osteocytes
DO NOT UNDERGO CELL DIVISION - bone cells that destroy or breakdown the bone?
- osteoclasts
- Another name for compact bone?
- dense bone
- Blood vessels, lymphatic vessels and nerves from the periosteum penetrate compact bone transversly through what?
- perforating or Volkmann's canals
- The vessels and nerves of the perforating canals connect longitudinally with what?
- central or haversian canals
- Small spaces between the lamellae?
- lacunae- contain osteocytes
- Radiating in all directions from the lacunae are tiny channels filled with extracellular fluid?
- canaliculi
- The components of compact bone tissue are arranged into repeating units called?
- osteons or haversian systems