ANSI 3444 Endocrinology/Hormone Quiz

What gland is estrogen from?

Graafian Follicle (Ovary)

What chemical class is estrogen?

Steroid

What are the principal functions of estrogen?

Female mating behavior, secondary sex characteristics, mammary growth, maintenance of female duct system.

What gland is inhibin from in females?

Graafian Follicle (Ovary)

What chemical class is inhibin?

Protein

What is the principal function of inhibin?

Regulate the release of FSH from the Anterior Pituitary.

What gland is progesterone from?

Corpus Luteum (Ovary)

What gland is relaxin from?

Corpus Luteum (Ovary)

What gland is oxytocin from?

Corpus Luteum (Ovary) *** ALSO hypothalamus

What gland is testosterone from?

Leydig Cells (Testes)

What gland is inhibin from in males?

Sertoli Cells (Testes)

What gland are glucocorticoids/corticosteroids/cortisol from?

Adrenal Cortex

What gland is hCG from?

Placenta

What does hCG and eCG stand for?

Human/Equine Chorionic Gonadotropin

What gland is eCG from?

Placenta

What gland are estrogens/progestins from?

Placenta

What gland is relaxin also produced from?

Placenta

What gland is placental lactogen from?

Placenta

What gland is prostaglandin F2a/E from?

Uterus Endometrium/Graafian Follicle/Seminal Vesicles

What gland is melatonin from?

Pineal Gland

What gland is oxytocin stored in?

Posterior Pituitary

What gland is FSH from?

Anterior Pituitary

What gland is LH from?

Anterior Pituitary

What gland is prolactin from?

Anterior Pituitary

What gland is ACTH from?

Anterior Pituitary

What does ACTH stand for?

Adrenocorticotropic Hormone

What gland is growth hormone from?

Anterior Pituitary

What gland is IGF-I and IGF-II from?

Liver

What gland is GnRH from?

Hypothalamus

What gland is corticotropic releasing hormone from?

Hypothalamus

What gland is growth hormone releasing hormone from?

Hypothalamus

What gland is oxytocin also from?

Hypothalamus

What gland is dopamine from?

Hypothalamus

What are ergot alkaloids?

Dopamine Agonist

What chemical class is progesterone?

Steroid

What chemical class is relaxin?

Protein

What chemical class is oxytocin?

Octapeptide

What chemical class is testosterone (androgens)?

Steroid

What chemical class are glucocorticoids/corticosteroids/cortisol?

Steroids

What chemical class are eCG/hCG?

Glycoproteins

What chemical class is placental lactogen?

Protein

What chemical class is prostaglandin?

Lipid

What chemical class is melatonin?

Biogenic Amine

What chemical class is FSH?

Glycoprotein

What chemical class is LH?

Glycoprotein

What chemical class is prolactin?

Protein

What chemical class is ACTH?

Protein

What chemical class is growth hormone?

Protein

What chemical class is IGF-I and IGF-II?

Protein

What chemical class is GnRH?

Decapeptide

What chemical class is corticotropic releasing hormone?

Peptide

What chemical class is growth hormone releasing hormone?

Peptide

What chemical class is dopamine?

Biogenic Amine

What are the principal functions of progesterone?

Maintenance of pregnancy, mammary growth and secretion, controls final follicular growth.

What are the principal functions of relaxin?

Expansion of pelvis, dilation of cervix at parturition, inhibits myometrial contractions.

What are the principal functions of oxytocin?

Binds to receptor on uterus endometrium to release PGF2a.

What are the principal functions of testosterone?

Male mating behavior (libido), spermatogenesis, spermatocytogenesis, maintenance of male duct system.

What are the principal functions of glucocorticoids (1), corticosteroids (2), cortisol (3)?

1. Induction of parturition by fetus

2. Milk synthesis

3. Stress response

What are the principal functions of hCG?

LH-like activity, involved with establishment of pregnancy in women, support and maintain CL.

What are the principal functions of eCG?

In equids, only has LH activity. Formation of accessory CL. In non-equids, has FSH activity, some LH activity.

What are the principal functions of estrogen/progestins from the placenta?

Regulate placental blood flow, maintenance of pregnancy.

What are the principal functions of placental lactogen?

Stimulates mammary growth and milk secretion.

What are the principal functions of prostaglandin F2a/E?

Regression of CL, stimulate myometrial contractions, ovulation; sperm transport.

What are the principal functions of melatonin?

Control of seasonal reproduction, regulation of hair growth.

What are the principal functions of FSH?

Stimulate follicle growth, stimulate estrogen production, spermatogenesis in males.

What are the principal functions of LH?

Stimulates ovulation, supports CL formation and progesterone secretion, stimulate testosterone synthesis by Leydig cells of testes.

What are the principal functions of prolactin?

Stimulate milk synthesis, regulate metabolism for milk synthesis, effects maternal behavior.

What are the principal functions of ACTH?

Release of corticosteroids and glucocorticoids from adrenal cortex, initiates parturition.

What are the principal functions of growth hormone?

Stimulates milk synthesis through IGF-1 secretion from liver.

What are the principal functions of IGF-I and IGF-II?

Stimulates steroidogenesis/mammary growth (cell growth and proliferation)/fetal development/ inhibitor of programmed cell death.

What are the principal functions of GnRH?

Stimulates release of LH and FSH from Anterior Pituitary.

What are the principal functions of corticotropic releasing hormone?

Stimulates release of ACTH from Adrenal Cortex.

What are the principal functions of growth hormone releasing hormone?

Stimulates release of growth hormone from Anterior Pituitary.

What are the principal functions of dopamine?

Inhibits release of prolactin from Anterior Pituitary.