Endocrine Flashcards

1
Q

Gland that helps w water retention

A

posterior pituitary gland
(vasopression)

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2
Q

Gland - labor contractions

A

Posterior pituitary
(Oxytocin)

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3
Q

Helps immune system

A

Thymus
(thymosin)

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4
Q

master gland

A

hypothalmus

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5
Q

secretes hormones that regulate other hormones

A

anterior pituitary

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6
Q

Sympathetic nervous sys stimulates

A

adrenal glands
(epinephrine)

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7
Q

blood sugar regulation

A

Pancreas
(insulin + glucagon)

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8
Q

Glands are triggered by

A

Hormonal, humoral, neural

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9
Q

Hormonal

A

glands are stimulated by hormones secreted by other glands
Ex: hypothalamus triggers the pituitary

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10
Q

Humoral

A

levels of nutrients or iron in the blood trigger glands to secrete
EX: Ca2+ levels Inc or dec from expected level trigger parathyroid

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11
Q

Neural

A

nerve impulse causes gland to secrete
EX: sympathetic NS triggers adrenal gland when stressed

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12
Q

Two types of hormones

A

steroidal (lipid soluble)
non steroidal (water soluble)

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13
Q

Steroidal

A

Can pass through the target cells cell membrane
altering the action of the cell
(turning it on or off)

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14
Q

Non steroidal

A

Amino acid based
NOT able to pass thru cell membranes
Bind @ receptor on outside
Triggers steps

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15
Q

How do glands help w homeostasis

A

Regulate body + processes
Inc or dec
feedback loop
most in pairs so to keep balance

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16
Q

Wake + sleep cycle

A

pineal gland
melatonin

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17
Q

Anterior pituitary gland

A

Produces hormones that regulate other hormones

GH, TSH, ACTH, FSH, LH + prolactin

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18
Q

Posterior pituitary gland

A

recieves and releases hormones
“storage area”
Oxytocin + vassopressions+ ADH

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19
Q

hypothalamus

A

master - regulation of all glands
maintain homeostasis
control brainstem + spinal cord
CRH, GHRH, PRH, GHIH and TSH

20
Q

thyroid

A

secretes hormones to regulate BP, growth + metabolic rate
T3 + T4

21
Q

parathyroid

A

controls balance of calcium in blood
PTH

22
Q

adrenal glands

A

role in how our body responds to stress
Inner layer: medulla -Epinephrine + epinephrine

outer layer: cortex
glucocortoid

23
Q

pancreas

A

blood sugar regulation
uses both exocrine + endocrine
glucagon + insulin

24
Q

Ovaries

A

estrogen + progesterone

25
Q

testes

A

testosterone
(maturation, sex drive, puberty)

26
Q

placenta

A

sustains fetus in pregnancy
Estrogen + progesterone + gonatropin

27
Q

hormones

A

chemicals released from one part of the body + carried thru blood stream to another

Each hormone affects 1 receptor/ target cell

28
Q

thymus

A

secretes:
thymosin (immune sys)
thymopoieten
thymic

29
Q

TSH

A

stimulates thyroid

AP

30
Q

ACTH

A

Stims adrenal glands

AP

31
Q

MSH

A

stim melanocytes (melanin)
AP

32
Q

Prolactin

A

milk production

33
Q

gonadotrophs

A

stims sex hormones

34
Q

vassopressions (antidiuretic)

A

Inc H20 retention by kidneys
(dec urination)

35
Q

oxytocin

A

stims breast milk, contractions

36
Q

psh

A

controls both pituitaries
body temp, hunger, thirst and sleep + wake cycle

37
Q

melatonin

A

creates sleep or wake cycles

38
Q

calcitonin

A

dec calcium levels in blood

39
Q

Thyroxine + triiodothyronine

A

T3 + T4
regulating metabolism, body temp, 02 levels, BP

40
Q

parathyroid hormone (PTH)

A

Inc calcium levels in blood

41
Q

epinephrine / nore

A

fight or flight
blood flow + heart rate

42
Q

glucocortoids

A

regulates levels to recover

43
Q

insulin

A

dec blood glucose levels

44
Q

glucagon

A

Inc blood glucose levels

45
Q

thymopoleth
thymic
thymosin

A

development of Immune system

46
Q

estrogen

A

mature of sex organs
2ndary sex characteristics

47
Q

progesterone

A

control of menstruation
breast development