Biology: Endocrine system Flashcards

1
Q

Is the endocrine system long term or short term

A

long term

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2
Q

What does the endocrine system act threw

A

hormones

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3
Q

what do the hormones influence

A

growth and developement

metabolic activities

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4
Q

What are the two major glands of the body

A

exocrine

endocrine

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5
Q

exocrine glands

A

no hormones
have ducts
carry secretory product to a surface

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6
Q

endocrine glands

A

no ducts
produce hormones
secreted into blood

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7
Q

What are examples of exocrine glands

A

sweat glands
mammary glands
ones that secrete digestive enzymes

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8
Q

What are two types of hormones

A

steroid

protein

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9
Q

steroid hormones

A

lipid carbon ring
pass through cell membrane
produced in adrenal gland and gonads

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10
Q

protein hormones

A

made of amino acids
don’t dissolve fats therefore don’t pass through membrane
exp. insulin

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11
Q

why is the pituitary gland referred to as the master gland

A

the hormones released from that gland control other endocrine glands

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12
Q

where is the pituitary gland located

A

base of brain

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13
Q

What controls the release of pituitary hormones

A

the stalk that links the pituitary to the hypothalamus

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14
Q

what are the two pituitary lobes

A

anterior lobe

posterior lobe

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15
Q

anterior lobe

A
thyroid stimulating hormone
adrenocorticotrophic hormone
growth hormone
follicle stimulating hormone
luteinizing hormone 
prolactin
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16
Q

thyroid stimulation hormone

A

stimulates the production and release of thyroxin from the thyroid gland

17
Q

adrenocorticotrophic hormone

A

stimulates the production and release of hormones from the adrenal gland

18
Q

follicle stimulating hormone

A

stimulates the development of egg in females and controls sperm production in males

19
Q

luteinizing hormone

A

causes the release of an egg in female and controls the production of sex hormones in males and females

20
Q

prolactin

A

stimulates secretion of milk after birth

21
Q

What are the two major hormones of the posterior pituitary lobe

A

vasopressin

oxytocin

22
Q

vasopressin

A

controls water balance in body
blood pressure
kidneys
(negative feed back loop)

23
Q

oxytocin

A

small peptide hormone that stimulates uterine contractions during birth
(positive feed back loop)

24
Q

hypothalamus

A

contains neurons that control releases from the anterior pituitary

25
adrenal gland
sypathetic nervous system regulate the release of adrenal hormone fight or flight
26
thyroid gland
releases thyroid hormone, increases overall metabolic rate
27
parathyroid gland
releases parathyroid hormone which regulates the calcium and phosphate levels in body
28
pancreas
affected by both endo and exo - x: secrete digestive enzymes into small intestine - n: secrete hormones insulin and glucagon
29
thymus gland
endocrine gland childhood gland processing of lymphocytes
30
pineal gland
``` endocrine secretes melatonin(human sleep cycle) lower during day higher at night ```
31
hypersecretion
when a gland secretes more hormone then needed
32
hyposecretion
when a gland secretes less them normal amount