Term
The characteristics of hormones are based on:
__________
and
______________ |
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Definition
steroids (lipid based)
and
proteins (amino acids) |
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Term
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Definition
site on cells that react to hormone |
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Term
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Definition
groups of cells with receptor sites that react to hormone |
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Term
What are the 3 mechanisms of hormone control? |
|
Definition
negative feedback systems
secrete in response to other hormones
nervous stimulation |
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Term
How does the hypothalamus influence the anterior pituitary? |
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Definition
Secretes releasing and inhibiting hormones into anterior pituitary |
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Term
How does the hypothalamus influence the posterior pituitary? |
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Definition
Secretes hormones directly into blood stream here |
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Term
To maintain homeostasis your body needs more thyroid hormone released...what part of your brain will send the necessary signal to your pituitary? What hormone is secreted? |
|
Definition
hypothalamus
thyroid releasing hormone |
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Term
What part of the pituitary will secrete the thyroid releasing hormone to maintain homeostasis in the body? |
|
Definition
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Term
What is the hormone secreted by the pituitary and what other endocrine gland will it cause to secrete the thyroid hormones (T3 and T4)? |
|
Definition
thyroid releasing hormone
thyroid gland |
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Term
What are the three principle effects that thyroid hormones have? |
|
Definition
- regulate metabolism
- necessary for growth and development
- stimulate nervous system
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Term
What three endocrine glands will secrete hormones to regulate fluid and electrolyte balance? |
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Definition
- posterior pituitary
- adrenal cortex
- atrial wall
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Term
What are the two types of cells found in the Islands of Langerhans and what do they secrete? |
|
Definition
- alpha cells: Glucagon (raises blood sugar)
- beta cells: insulin (lowers blood sugar)
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Term
What two hormones will regulate the calcium and levels in the blood? |
|
Definition
calcitonin
parathyroid hormone (PTH) |
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Term
What gland produces calcitonin? |
|
Definition
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|
Term
What gland produces parathyroid hormone (PTH)? |
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Definition
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Term
Which gland belongs to both the lymphatic system and the endocrine system?
What is its endocrine function? |
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Definition
Thymus
T-cell development |
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Term
How does FSH (follicle stimulating hormone) effect females
and
males? |
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Definition
-
- females: estrogen & progesterone activity and development of ova
- males: testosterone activity and development of sperm
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Term
What is the effect of prolactin and where is it produced? |
|
Definition
stimulates mammary gland during pregnancy for development for lactation
anterior pituitary gland |
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Term
List the endocrine glands that the pituitary will stimulate to secrete. |
|
Definition
- thyroid
- adrenal
- testes
- ovaries
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Term
What hormones are secreted in response to stress (fight or flight mechanism) and where are they produced? |
|
Definition
epinephrine and norepinephrine
adrenal medulla |
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Term
What is the action of Glucocorticoids? |
|
Definition
regulate nutrient levels in the blood
anti-inflammatory characteristics |
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Term
Where are Glucocorticoids produced? |
|
Definition
outermost region of adrenal cortex |
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Term
What part of the adrenal will secrete small amounts of androgens and estrogens? |
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Definition
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Term
Which endocrine glands are also exocrine glands? |
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Definition
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Term
What hormone does the posterior pituitary excrete? |
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Definition
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Term
What hormone does the adrenal cortex secrete? |
|
Definition
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Term
What hormone does the atrial wall secrete? |
|
Definition
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