Describe the developmental origin of the adrenal
glands. For the steroid hormones cortisol and aldosterone, explain
how synthesis of the hormones are regulated in the adult. What
would be the consequences of a sudden failure of adrenocortical
function and over production of hormones? (500words)
Hormones of the Hypothalamus and Pituitary
Gland:
Hormone
Origin
Target
Effect
Antidiuretic hormone (ADH)
Made in Hypothalamus
Stored in Posterior Pituitary Gland
Kidney Tubules
Increase aquaporin proteins to increase water retention.
Oxytocin
Made in Hypothalamus
Stored in Posterior Pituitary Gland
Smooth muscle in uterus
Mammary gland cells
Contraction of uterus
Milk release
Thyroid stimulating hormone (TSH)
Made in anterior pituitary gland
Thyroid cells
Triggers release of thyroid hormones
Prolactin
Made in anterior pituitary gland
Mammary glands
Stimulates growth of mammary...
1.
The following is the major hormone secreted from the adrenal
medulla:
a) Norepinephrine
b) Epinephrine
c) Acetylcholine
d) Aldosterone
e) All of the Above
2. Excessive secretion of the following leads to
tachycardia:
a) Norepinephrine
b) Epinephrine
c) Aldosterone
d) Cortisol
e) A and B
3. Corticotrophin releasing hormone eventually leads to
secretion of the following:
a) Aldosterone
b) Cortisol
c) Estrogen
d) Testosterone
e) C and D