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antagonist to inhibin: enhances FSH biosynthesis and secretion, and participates in the regulation of the menstrual cycle
appears to increase insulin effects (sensitivity); anti-inflammatory and anti-arthrogenic
"salt-retaining hormone" which promotes the retention of Na+ by the kidneys. Na+ retention promotes water retention, which promotes a higher blood volume and pressure
prohormone produced by the liver then converted by renin to angiotensin I, then that is converted by ACE to angiotensin II which is a vasoconstrictor
promotes water retention, in high concentrations is also a vasoconstrictor. both of these effects raise the blood pressure
In male embryos, turns off the development of a uterus and other female structures.
Atrial Natriuretic Peptide
A peptide hormone secreted by cardiac atrial cells in response to atrial distension (increased blood flow); causes increased renal sodium excretion and as such lowers blood pressure (antagonizing aldosterone).
Produced by the thyroid gland and decreases the blood calcium levels by stimulating calcium deposit in the bones (__________ keeps the bone in). The antagonist of the parathyroid hormone.
steroid hormone produced by the kidneys in response to the presence of PTH; stimulates calcium and phosphate ion absorption in the digestive tract; the active form of Vitamin D
hormone the small intestine secretes to stimulate release of pancreatic juice from pancreas and bile from gallbladder
Corticotropin Releasing Hormone
signals the release of adrenocorticotropic hormone (ACTH) from the pituitary
secreted from the adrenal cortex, aids the body during stress by increasing glucose levels and suppressing immune system function
strongest androgen; principally responsible for masculinization in sexual differentiation
adrenaline; activates a sympathetic nervous system by making the heart beat faster, stopping digestion, enlarging pupils, sending sugar into the bloodstream, preparing a blood clot faster
The chief estrogen, females produce more than males, develops and maintains female secondary sex characteristics, important roles in menstruation and pregnancy
Follicle Stimulating Hormone
WOMEN: initiates growth of ovarian follicles each month and stimulates ovulation; MEN: stimulates sperm production
released by the stomach in the presence of food; gastrin promotes muscular activity of the stomach as well as secretion of hydrochloric acid, pepsinogen, and mucus
The antagonist of insulin. Its release is stimulated by low blood glucose levels. It stimulates the liver, its primary target organ, to break down its glycogen stores to glucose and subsequently to release glucose to the blood.
affects size of an individual by promoting cell division, protein synthesis, and bone growth
Human Chorionic Gonadotropin
stimulates the corpus luteum to grow and secrete estrogen and progesterone at a higher rate; pregnancy tests work by detecting this in women's urine
Human Placental Lactogen
This hormone ensures a sufficient supply of protein, glucose, and minerals are available to the fetus.
secreted by gastrointestinal tract; enhance glucose-stimulated release of insulin; inhibit glucagon
Hormone produced by the pancreas that is released when stimulated by elevated glucose levels. This hormone decreases blood sugar levels by accelerating the transport of glucose into the body cells where it is oxidized for energy or converted to glycogen or fat for storage.
Insulin-Like Growth Factor
circulates in blood plasma and directly stimulates bone and cartilage growth
a protein secreted by fat cells, when abundant causes the brain to increase metabolism and decreases hunger.
fatty molecules of the immune system that regulate inflammation, especially in the lungs; they are heavily involved in the problems associated with asthma and bronchitis
WOMEN: regulates estrogen secretion and ovum development; MEN: testosterone production
targets the brain to control circadian rhythms and circannual rhythms, and may be involved in maturation of sex organs
neurotransmitter found in several brain areas, most notably the hypothalamus, that stimulates eating behavior and reduces metabolism, promoting positive energy balance and weight gain
noradrenaline; chemical which is excitatory, similar to adrenaline, and affects arousal and memory; raises blood pressure by causing blood vessels to become constricted
plays a critical role in preventing abnormal consciousness transitions, particularly into REM sleep; may stimulate hunger
induces contraction of the uterine muscles during childbirth and causes the mammary glands to eject milk during nursing
Increases blood levels of calcium (stimulates breakdown of bone and rate at which calcium is removed from urine and absorbed from the gastrointestinal tract)
One of the hormones produced by the ovaries. It works with estrogen to control the menstrual cycle. Also secreted to prepare and sustain the endometrium of the uterus for pregnancy
chiefly prevents formation of the platelet plug in hemostasis (part of blood clotting); it does this by inhibiting platelet activation; antagonist to thromboxanes
have an immediate, short-term localized effect, involved in inflammation and pain, blood flow, and blood clotting, as well as other factors
a hormone produced by the placenta prior to labor, causes the ligaments within the pelvis to loosen
enzyme that is produced by the kidney; important for blood pressure and volume regulation; catalyzes the conversion of circulating angiotensinogen to angiotensin I
Retinol Binding Protein 4
Function not well understood; secreted by adipocytes (fat cells) and may communicate signal low blood sugar; recently associated with the development of insulin insensitivity
A hormone secreted by the small intestine (duodenum) in response to low pH (e.g., from stomach acid). It promotes the release of bicarbonate from the pancreas to act as a buffer.
The male sex hormone produced by the testes which promotes the maturation of the reproductive system, development of the male secondary sex characteristics, and is responsible for sexual drive (libido)
a vasoconstrictor and a potent hypertensive agent, and it facilitates platelet aggregation; antagonist to prostacyclins
Function not well understood, affects nuclear architecture, two receptors specific to __________ have been found on human T-cells
Produced by the thymus gland during childhood, this hormone stimulates T-lymphocyte development and differentiation.
Thyroid Stimulating Hormone
causes thyroid gland cells to secrete T3 and T4; stimulates thyroid growth
Thyrotropin Releasing Hormone
signals the pituitary gland to release TSH (thyroid stimulating hormone)
hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
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