Chapter 9 - Growth, Maturation, & Aging of Body Systems Flashcards
1
Q
Hypertrophy
A
Increase in muscle cell size
2
Q
Hyperplasia
A
Increase in number of muscle cells
3
Q
Where does bone growth begin?
A
Primary ossification center in midshaft of long bone
4
Q
Secondary ossification centers
A
- At the ends of long bones
- Growth in bone length
5
Q
Appositional growth
A
Increase in bone girth
6
Q
Traction epiphyses
A
Where muscle tendons attach to bones
7
Q
Extrapyramidal Tracts
A
Delivering commands for random and postural reflexes made by infant in first days after birth.
8
Q
Pyramidal tracts
A
- Myelinate after birth
- Functioning by 4-5 months
- Controls muscles for finger movements (finr motor)
9
Q
A
