Hypothalamic control of the pituitary

Question 1

1. Identify the hypothalamic hormones that regulate anterior pituitary function.

Answer 1

TRH
CRH
GHRH
GnRH
PIF (dopamine)
Somatostatin

Question 2

2. Describe the general principles of hormone release from hypothalamic neurons.

Answer 2

calcium dependent exocytosis under brain control

Question 3

3. Identify the receptors and signal transduction mechanisms for hypothalamic hormones.

Answer 3

TRH-Gs
CRH-Gs
GHRH-Gs/Gq
GnRH-Gs
PIF-Gi
Somatostatin-Gi

Question 4

4. Diagram the general mechanisms of feedback control for hypothalamic hormone release.

Answer 4

1

Question 5

5. Outline the interrelationships among various hypothalamic centers, their inputs from other areas of the brain, and their outputs to the pituitary gland.

Answer 5

1