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Glands
1. Anterior Pituitary
2. Posterior Pituitary
3. Hypothalamus
4. Thyroid
Hormone Secreted
Functions
a. TSH
a. Stimulates secretion of
thyroid hormones.
b. ACTH
b. Stimulates secretion of
adrenal cortex.
c. FSH
c. Female: Stimulates
maturation of ovarian follicles
and secretion of estrogen.
Male: stimulates seminiferous
tubules of testes to grow and
produce sperm.
d. LH
d. F: stimulates maturation of
ovarian & follicle ovum &
estrogen.
e. MSH
e. Stimulates synthesis &
dispersion of melanin pigment
in the skin.
f. GH
f. Stimulates growth of all
organs.
g. Prolactin
g. stimulates breast
development during pregnancy.
a. ADH
a. retention of water by the
kidneys.
b. Oxytocin
b. Stimulates urine contractions
at the end of pregnancy.
a. Releasing Hormones
a. stimulate the anterior
pituitary release hormones.
b. Inhibiting release
b. Inhibit the anterior pituitary’s
secretion of hormones.
a. Thyroxine & triiodothyronine
a. stimulate the energy
metabolism of energy of all
cells.
b. Calcitonin
b. the formation of bone.
5. Parathyroid
a. Parathyroid hormone
a. Stimulates the breakdown of
bone.
6. Adrenal Cortex
a. Mineralocorticoids:
aldosterone
a. Regulate electrolyte & fluid
homeostasis.
b. Glucocorticoids: cortisol
b. Stimulate gluconeogenesis,
causing an increase in blood
glucose concentration.
c. Sex hormones
c. Stimulate sexual drive in the
female but have negligible
effects in male.
7. Adrenal / Medulla
a. Epinephrine &
norepinephrine
a. prolong & intensify the
sympathetic nervous response
during stress
8. Pancreatic Islets
a. Glucagon
a. Stimulates liver
glycogenolysis
b. Insulin
b. Promotes glucose entry into
all cells, causing a decrease in
blood glucose concentration.
a. Estrogens
a. Development & maturation
of breasts & external genitals,
adult female body contours.
b. Progesterone
b. Promotes conditions for
pregnancy.
10. Testis
a. Testosterone
a. Promotes development &
maintenance of male sexual
characteristics.
11. Thymus
a. Thymosin
a. promotes development of
immune-system cells.
12. Placenta
b. Chorionic gonadotropin,
estrogens, progesterone
b. promote conditions required
during early pregnancy.
13. Pineal
a. Melatonin
a. inhibits tropic hormones that
affect the ovaries.
14. Heart
a. Atrial natriuretic hormone
9. Ovary
a. regulates fluid and electrolyte
homeostasis.