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35 terms

Chapter 17 Hormones

Pituitary hormones
STUDY
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Follicle-stimulating hormone FSH
ovaries- female: growth of ovarian follicles and secretion of estrogen
testes-male: sperm production
luteinizing hormone LH
ovaries- female: ovulation, maintenance of corpus luteum
testes- male: testosterone secretion
thyroid-stimulating hormone TSH
growth of thyroid, secretion of thyroid hormone
adrenocorticotropic hormone ACTH
growth of adrenal cortex, secretion of glucocorticoids
prolactin PRL
female- milk synthesis
male- increased LH sensitivity
growth hormone GH
widespread tissue growth, especially in the stated tissues
antidiuretic hormone ADH
water retention
oxytocin OT
labor contrations, milk release; possibly involved in ejaculation, sperm transport, sexual affection, and mother-infant bonding
follicle-stimulating, luteinizing, thyroid-stimulating, adrenocorticotropic, prolactin, growth
6 anterior pituitary hormones
antidiuretic, oxytocin
2 posterior pituitary hormones
thyrotropin, corticotropin, gonadotropin, growth-hormone
4 hypothalamic releasing hormones that regulates the anterior pituitary
prolactin, somatostatin
2 hypothalamic inhibiting hormones that regulates the anterior pituitary
thyrotropin-releasing hormone TRH
promotes secretion of thyroid-stimulating hormone (TSH) and prolactin (PRL)
corticotropin-releasing hormone CRH
promotes secretion of adrenocorticotropic hormone ACTH
gonadotropin-releasing hormone GnRH
promotes secretion of follicle-stimulating (FSH) and luteinizing hormone (LH)
growth hormone-releasing hormone GHRH
promotes secretion of growth hormone GH
prolactin-inhibiting hormone PIH
inhibits secretion of prolactin PRL
somatostatin
inhibits secretion of growth hormone (GH) and thyroid-stimulating hormones (TSH)
follicle stimulating hormone FSH and luteinizing hormone LH
pituitary hormones which targets the ovaries and testes
thyroid-stimulating hormones TSH
pituitary hormones which targets the thyroid gland
adrenocorticotropic hormone ACTH
pituitary hormones which targets the adrenal cortex
prolactin PRL
pituitary hormones which targets the mammary glands, testes
growth hormones GH
pituitary hormones which targets the liver, bone, cartilage, muscle, fat
antidiuretic hormone ADH
pituitary hormones which targets the kidneys
oxytocin OT
pituitary hormones which targets the uterus, mammary glands
steroids, peptides, monoamines
three chemical classes of hormones
cholesterol, gonads, adrenal glands
steroids are derived from and are secreted by
chains of amino acids, pituitary, hypothalamus
peptides and glycoproteins are created from and secreted by
amino acids, adrenal acids, thyroid gland
monoamines (biogenic amines) are derived from and secreted by
cholesterol or amino acids with carbohydrate added to make glycoproteins
all hormones are made from
cholesterol
steroids hormones sythesized from
first several amino acids is a signal peptide that guides it into cisterna of rough endoplasmic reticulum
step 1 of peptide synthesis
signal peptide removed to form prohormone
step 2 of peptide synthesis
golgi does final transformation to hormone packaged for secretion
step 3 of peptide synthesis
follicle stimulating hormone and luteinizing hormones
two gonadotropin hormones that target gonads