Growth (& Ageing) Flashcards
1
Q
What is hyperplasia?
A
Increase in cell numbers
2
Q
what is hypertrophy?
A
Increase in cell size
3
Q
What do thyroid hormones have to do with growth?
A
- Essential for normal development & growth
- Required for neuron development
- Childhood growth
- Facilitates actions of GH and sympathetic NS
4
Q
What are the side effects of hypothyroidism for young children?
A
- Impedes brain and skeletal growth
- Delayed tooth eruption
- Sparse hair
- Permanent mental impairments
5
Q
What are the hormones influencing growth?
A
- Thyroid hormones
- Growth hormones
- Sex hormones
- Others: Insulin, Cortisol, Vit D, Parathyroid Hormone
6
Q
What is gigantism?
A
Excess GH in childhood resulting in accelerated growth
7
Q
What is acromegaly?
A
Excess GH in adults resulting in LARGE INCREASES in size of hands, feed and jaw
