Chapter 6 - Skeletal System Flashcards
Five primary functions of the skeletal system
Support, storage, blood cell production, protection, and movement
Supporting connective tissue that contains specialized cells and a matrix consisting of extracellular protein fibers and a ground substance
Osseous tissue/bone
Four shapes of bones
Long, short, flat, and irregular
The humerus is what type of bone
Long bone
The carpal bones are what type of bone
Short
Central shaft of long bone
Diaphysis
Wider portions at each end of long bone
Epiphyses
What are the two types of long bone?
Spongy and compact
Outer most layer of bone that attaches muscle
Periosteum
Lining of long bone marrow cavities
Endosteum
Where would you find the endosteum?
In the bone marrow of long bones
Another name for bones
Osseous tissue
Each row of bone
Lamellae
Empty space left behind after mature cells are removed
Lacunae
Circular arrangement for compact bone
Osteon
Mature bone cell found between lamellae
Osteocytes
One row of bone tissue
Lamellae
Empty beds where osteocytes sit on
Lacunae
Another name for osteon
Haversion system
Finger-like projections coming out of the lacunae where lacunae can complicate with on another
Canaliculi
Lining inside of trabeculae bone
Endosteum
Mature bone cells
Osteocytes
Breaks down bow matrix to make calcium available
Osteoclasts
In mature bone cells that make and synthesize bone tissue
Osteoblasts