Lab Midterm—3 Flashcards
What is the master endocrine gland?
hypothalamus
What does the hypothalamus release to the posterior pituitary gland?
Oxytocin
ADH (vasopressin)
What does the hypothalamus release to the anterior pituitary gland secrete?
TRH
CRH
GnRH
What does TRH do?
Signals the anterior pituitary to release TSH
What does CRH do?
Signals the anterior pituitary to release ACTH
What does GnRH do?
Signals the anterior pituitary to release LH
What does TSH do?
Signals the thyroid to release TH
What does ACTH do?
Signals the adrenal glands to release cortisol
What does LH do?
Signals the testes to release testosterone
What does TH do?
Influences growth rate:
- catabolic
- higher metabolism rate
What does cortisol do?
Stress factor
- catabolic
- immunosuppressive/ant-inflammatory
What does testosterone do?
Sex drive / 2º sex characteristics
- anabolic
- baldness and acne
What causes an increase in anterior pituitary gland?
increases in:
- TRH
- CRH
- GnRH
What causes an increase in thyroid?
increase in:
-TSH
What causes a decrease in the APG?
increase in:
- TSH
- TH
- ACTH
- cortisol
- LH
- testosterone