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36 Cards in this Set
- Front
- Back
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What does prolactin stimulate in females? |
Milk production |
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What functions is LH involved in? |
Females: menstrual cycle Males: testosterone production |
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What does GH stimulate? |
Growth in muscle and bone |
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What is FSH involved in producing? |
Estrogen for the follicle which produces it, and sperm production |
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What organ does ACTH activate? |
Adrenal cortex (kidney) |
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What is TSH involved in producing? |
Thyroxine hormone (T3 and T4) |
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What does MSH do? |
produces melanin for skin pigment |
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What does a deficiency of calcitonin cause? |
hypercalcemia (too much calcium) |
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How does the CNS control endocrine glands? |
Hypothalamus |
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What is the difference between endocrine and exocrine glands? |
Endocrine secrete hormones into the blood and exocrine discharge wastes and fluids |
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What is diabetes? |
Disease with increased levels of blood glucose |
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What is the shape of the pineal gland and where is it located? |
The roof of your brain around the third ventricle, cone shaped |
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Which kind of cells are in the islands of Langerhans? |
Alpha and beta cells |
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Which hormone requires iodine? |
Thyroxine |
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negative and positive feedback loops. |
Negative-reversing a condition, the opposite, something’s wrong the body changes it Positive- enhances that condition until it’s not needed any longer |
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When is oxytocin secreted? |
Before and after a woman has a baby; helps uterine contractions & prolactin production |
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What does LH in the testes develop and secrete? |
Testosterone |
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What is hypersecretion? |
Overproduction of a hormone |
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After a hormone is attached, chemical reactions change ATP into what compound? |
Cyclic AMP, creates a second messenger |
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When does negative feedback control occur? |
Excess of a substance or a hormone is produced, too much calcium |
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What do target organs respond to? |
Their particular hormone |
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What does glucagon stimulate? |
Aids in breaking down glycogen to glucose in your liver |
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Which hormones influences the menstrual cycle? |
LH, FSH, melatonin |
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Which gland is temporary? |
Placenta |
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What is thymosin responsible for? |
Function of your immune system; stimulates t-lymphocytes |
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What is a mineralocorticoid and what does it control? |
Hormone in the adrenal cortex and controls the amount of salt |
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What are thyroid abnormalities? |
Hyperthyroidism, hypothyroidism, cretinism (children), myxedema (adults) |
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What do kidneys secrete during pregnancy? |
Gonadotropins |
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What is ADH secreted by? |
Posterior pituitary |
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What gland is attached to the base of the hypothalamus? |
Pituitary gland |
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What happens to a person with increased levels of adrenaline? |
Extra level of energy to respond to emergencies
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What are the three classes of tissue hormones? |
PGA, PGE, PGF |
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What hormone stimulates luteinization? |
LH |
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Study the 2nd messenger hypothesis. |
Hormone sends message to target cell → changes ATP to cyclic AMP → cyclic AMP guides the cell to its function |
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How is the brain portrayed as a major endocrine gland? Give examples. |
The master glands, hypothalamus gets info from nervous system, sends signals to pituitary and pituitary sends messages to other glands, pineal gland helps when it gets info from light to produce cycles |
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study gland location |
ws |
