Term
| What 2 hormones does the posterior pituitary secrete? |
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Definition
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Term
| What is ADH responsible for? |
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Definition
1. increases amt of water reabsorbed by kidneys 2. decreases urine output 3. maintains normal BP |
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Term
| What is oxytocin responsible for? |
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Definition
- causes contraction of smooth muscle in uterus and mammary glands
- is what starts child birth
- sucking during breastfeeding generates release causing the letdown reflex for milk
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Term
What 6 hormones do the anterior pituitary secrete? |
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Definition
- growth
- TSH
- ACTH
- Prolactin
- FSH
- Lutieinizing
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Term
| What does the growth hormone do? |
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Definition
- increases cell division in tissues capable of mitosis
- increases release of fat from adipose tissue
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Term
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Definition
| Stimulates growth of thyroid and secretion of its 2 hormones |
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Term
| What is the target organ of TSH? |
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Definition
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Term
| What's the target organ for ACTH? |
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Definition
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Term
| What is ACTH responsible for? |
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Definition
- release of cortisol from adrenal cortex
- produced during any stressful situation
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Term
| What is prolactin responsible for? |
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Definition
- initiates and maintains milk production by mammary glands
- NOT secreted until AFTER pregnancy
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Term
| What is FSH responsible for? |
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Definition
- Gonad hormones
- target organs are: ovaries and testes
- initiates growth of ova in ovarian follicles (estrogen production)
- initiates sperm production
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Term
| What is LH responsible for? |
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Definition
Female: Causes ovulation in women and stimulates the ruptured ovarian follicle (impt in menst. cycle) Males: stimulates the secretion of testosterone |
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Term
| What 3 hormones do TSH secrete? |
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Definition
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Term
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Definition
- regulate normal energy production and protein synthesis
- most important regulator of metabolic rate
- reflected in the functioning of the heart, brain, and muscles
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Term
| What is the target site for calcitonin? |
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Definition
bones (most impt in childhood) |
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Term
| the stimulation for secretion of calcitonin is what? |
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Definition
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Term
how many parathyroid glands are there and where are they located? |
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Definition
There are 4 2 are located on back of each lobe of the thyroid glands |
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Term
| What are the target areas for parathyroid glands? |
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Definition
- bones
- small intestines
- kidneys
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Term
What is the secretion of PTH stimulated by? |
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Definition
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Term
Where are the adrenal glands located? |
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Definition
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Term
each adrenal gland consists of what? |
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Definition
- inner adrenal medulla
- outer adrenal cortex
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Term
what does the adrenal medulla do? |
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Definition
- secretes epinephrine and norepinephrine
- activated by stressful situations
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Term
epinephrine increases what? |
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Definition
| heart rate and force of the contraction |
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Term
what does norepinephrine increase? |
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Definition
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Term
adrenal cortex secretes 3 types of what? |
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Definition
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Term
sex hormones may contribute to what? |
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Definition
growth spurt that occurs before puberty |
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