Skeletal System Flashcards
1
Q
What are the three types of cartilage in the body?
A
- Hyaline (most abundant)
- Elastic
- Fibrocartilage
2
Q
What are the main functions of bones?
A
- Support
- Movement
- Mineral Storage
- Haematopoesis
- Fat Storage
- Protection
3
Q
What are the cross sections of a long bone?
A
- Proximal epiphysis
- Metaphysis
- Diaphysis
- Metaphysis
- Distal epiphysis
4
Q
What are characteristics of short, flat, irregular and sesamoid bones?
A
- They have no diaphysis, epiphysis or metaphysis
- They do not have a medullary cavity, but bone marrow is located throughout the spongy bone
- Hyaline cartilage covers the articular surfaces
5
Q
In adults, what is the medullary cavity filled with?
A
Yellow bone marrow
6
Q
What does yellow bone marrow serve as a storage for?
A
Fat
7
Q
What is the medullary cavity of children filled with?
A
Red bone marrow
8
Q
What is the name of the membrane surrounding the medullary cavity?
A
Endosteum
9
Q
What is the name of the membrane which surrounds the bone?
A
Periosteum
10
Q
What are Osteogenic cells?
A
Bone stem cells
11
Q
Define Osteoblast
A
Bone forming cells
12
Q
Define Osetocyte
A
Mature bone cell
13
Q
Define Osteoclast
A
Bone destroying cell
