List Steroid Hormones: - CORRECT ANSWER-~ Reproductive organs: androgens by
the testes in males& estrogens and progestins by the ovaries in females
~ Cortex of the adrenal glands: corticosteroids
~ Kidneys: calcitriol
The Pituitary Gland releases nine important peptide hormones: - CORRECT ANSWER-
Anterior Lobe:
~ ACTH
~ TSH
~ GH
~ PRL
~ FSH
~ LH
~ MSH
Posterior Lobe:
~ Oxytocin
~ ADH
TSH:
- Target:
- Effect:
- Released to: - CORRECT ANSWER-Thyroid-stimulating Hormone
- Target: thyroid gland
- Effect: secretion of thyroid hormones
- Released to: Thyrotropin-releasing hormone (TRH)
ACTH:
- Target:
- Effect:
- Released to: - CORRECT ANSWER-Adrenocorticotropic hormone
- Target: Adrenal cortex (zona fasciculata
- Effect: secretion of glucocorticoids (cortisol, corticosterone)
- Released to: Corticotropin-releasing hormone (CRH)
FSH:
- Target:
- Effect:
- Released to: - CORRECT ANSWER-Follicle-stimulating hormone
- Target: follicle cells of ovaries and nurse cells of testes
- Effect: secretion of estrogen and follicle development, stimulation of sperm maturation
- Released to: Gonadotropin-releasing hormone (GnRH)
, LH:
- Target:
- Effect:
- Released to: - CORRECT ANSWER-Luteinizing hormone
- Target: follicle cells of ovaries & interstitial cells of testes
- Effect: ovulation, formation of corpus luteum, secretion of progesterone & secretion of
testosterone
- Released to: Gonadotropin-releasing hormone (GnRH)
PRL:
- Target:
- Effect:
- Released to: - CORRECT ANSWER-Prolactin
- Target: mammary glands
- Effect: production of milk
- Released to: prolactin-releasing factor (PRF) & Prolactin-inhibiting hormone (PIH)
GH:
- Target:
- Effect:
- Released to: - CORRECT ANSWER-Growth hormone
- Target: all cells
- Effect: growth, protein synthesis, lipid mobilization and catabolism
- Released to: growth-hormone-releasing hormone (GH-RH) & Growth-hormone-
inhibiting-hormone (GH-IH)
MSH:
- Target:
- Effect:
- Released to: - CORRECT ANSWER-Melanocyte-stimulating hormone
- Target: melanocytes
- Effect: increased melanin synthesis in epidermis
- Released to: melanocyte-stimulating hormone-inhibiting hormone (MSH-IH)
ADH
- Target:
- Effect: - CORRECT ANSWER-Antidiuretic hormone
- Target: kidneys
- Effect: reabsorption of water, elevation of blood volume and pressure
OXT
- Target:
- Effect: - CORRECT ANSWER-Oxytocin
- Target: uterus, mammary glands (females), ductus deferens and prostate gland
(males)