Endocrine Syetem Flashcards

1
Q

Endocrine system

A

secrete hormones

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2
Q

Hypothalamus

A

below the thalamus
it’s hormone producing cells influence the pituitary gland

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3
Q

pituitary gland

A

base of the brain
some hormones produced here regulate activities of other endocrine glands

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4
Q

Growth-stimulating hormone

A

wide spread effects including long bone growth

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5
Q

Thyroid-stimulating hormone

A

stimulates thyroxin release from thyroid

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6
Q

Follicle-stimulating hormone

A

stimulates development of follicles in ovaries and influences sperm production

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7
Q

location of thyroid gland

A

neck

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8
Q

thyroid gland hormone

A

thyroxin (contains iodine)

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9
Q

function of thyroid gland

A

regulates metabolism in cells

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10
Q

thyroid gland is essential for

A

normal physical and mental development

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11
Q

location of parathyroid gland

A

back of thyroid gland

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12
Q

hormone for parathyroid gland

A

parathormone

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13
Q

function of parathyroid gland

A

controls cat metabolism

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14
Q

parathyroid gland is essential for

A

nerve function, blood clotting, and growth of teeth and bones

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15
Q

adrenal glands

A

top of each kidney, two layers

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16
Q

outer layer of adrenal gland

A

adrenal cortex (2 hormones/steroids)

17
Q

outer layer (adrenal glands) hormone 1

A

conversion of fats and proteins to glucose

18
Q

outer layer (adrenal glands) hormone 2

A

reabsorption of sodium from kidney tubules
*blood pressure and water balance

19
Q

inner layer of adrenal glands

A

adrenal medulla

20
Q

inner layer (adrenal gland) hormone

A

adrenaline “fight or flight”

21
Q

function of adrenal glands’ inner layer

A

increase blood glucose level, heart rate, breathing rate

22
Q

Islets of langerhans

A

pancreas

23
Q

hormone 1 of islets

A

insulin

24
Q

hormone 1 of islets function

A

promotes glucose absorption from blood ([decrease blood glucose)]
*stimulates conversion of glucose into glycogen (storage)
| |
liver skeletal muscles

25
Q

Hormone 2 of islets

A

glucagon

26
Q

hormone 2 of islets function

A

promotes the liver and skeletal muscles to convert glycogen to free glucose ([increase blood glucose])

27
Q

opposing effects of insulin and glucagon

A

homeostasis

28
Q

Gonads

A

female and male

29
Q

testes (male)

A

hormone - testosterone
function - stimulates male reproductive organ development and secondary sex characteristics
*production of sperm

30
Q

ovaries (female)

A

hormone - estrogen and progesterone
function - same as male function
*production of egg cells

31
Q

Progesterone

A

stimulates uterine wall to thicken in preparation for embryo implantation

32
Q

Negative feedback

A

regulate hormone production and secretion

33
Q

negative feedback: classic type

A

pituitary TSH and thyroid thyroxin hormone

34
Q

classic type step 1

A

decrease [thyroxin blood] = stimulates pituitary = TSH

35
Q

classic type step 2

A

TSH stimulates thyroid = secreted thyroxin

36
Q

Classic type step 3

A

[thyroxin blood] levels = TSH secretion stops

37
Q

Homeostasis

A

regulation of thyroxin by TSH