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Anatomy > Hormones > Flashcards

Hormones Flashcards

1
Q

Where is oxytocin produced and secreted?

A

Produced by hypothalamus, secreted by posterior pituitary

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2
Q

What is the action of oxytocin?

A

Induce uterine contractions

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3
Q

Where is ADH produced and secreted?

A

Produced by hypothalamus and secreted by posterior pituitary

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4
Q

What secretes growth hormone?

A

Ant pituitary

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5
Q

Action of growth hormone

A

Growth and development

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6
Q

What is pituitary dwarfism?

A

Hyposecretion of GH

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7
Q

What causes gigantism?

A

Hypersecretion of GH in childhood

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8
Q

What causes acromegaly?

A

hypersecretion of GH in adulthood

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9
Q

What secretes FSH?

A

Ant pituitary

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10
Q

Action of FSH

A

Promote gamete production

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11
Q

What secretes LH?

A

Ant pituitary

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12
Q

LH action

A

Stimulates sex hormone production

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13
Q

What secretes TSH - thyroid stimulating hormone?

A

Ant pituitary

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14
Q

Action of TSH

A

Stimulates thyroid

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15
Q

What secretes ACTH - adrenocorticotropic hormone?

A

Ant pituitary

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16
Q

Action of ACTH

A

Stimulates secretion of hormones from adrenal cortex

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17
Q

What secretes PRL - prolactin?

A

Ant pituitary

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18
Q

Action of PRL - prolactin

A

stimulates milk production in mammals

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19
Q

What secretes endorphins?

A

ant pituitary

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20
Q

Action of endorphins

A

Endogenous painkillers

21
Q

What secretes melatonin?

A

Pineal gland

22
Q

Melatonin action

A

Tracks light conditions to influence circadian rhythms

23
Q

What secretes calcitonin?

A

Thyroid gland

24
Q

Calcitonin action

A

Lower blood calcium, stimulates osteoblasts

25
Q

What secretes Thyroxine?

A

Thyroid gland

26
Q

Thyroxine action

A

Regulate metabolism (digestion, heart and muscle function)

27
Q

What is hypothyroidism

A

Hyposecretion of thyroid hormones like thyroxine leading to weight gain, slow metabolism, and fatigue

28
Q

What is a goiter?

A

An enlarged thyroid which can accompany hypothyroidism

29
Q

What is hyperthyroidism?

A

Hypersecretion of thyroid hormones like Thyroxine. Opposite symptoms of hypothyroidism

30
Q

What secretes PTH - parathyroid hormone?

A

Parathyroid glands

31
Q

PTH - parathyroid hormone action

A

raise blood calcium by stimulating osteoclasts

32
Q

What secretes thymosins?

A

The thymus

33
Q

Thymosins action

A

Development of mature T cells

34
Q

What secretes insulin?

A

Pancreas

35
Q

What secretes glucagon?

A

pancreas

36
Q

What secretes mineralocorticoids?

A

Adrenal cortex

37
Q

Mineralocorticoids action

A

regulate mineral balance

38
Q

What secretes glucocorticoids?

A

Adrenal cortex

39
Q

Glucocorticoid actions

A

Reduce inflamation, (influence blood sugar?)

40
Q

What secretes androgens?

A

Adrenal cortex

41
Q

Androgen action

A

Promote male secondary sex characteristics

42
Q

What secretes epinephrine and norepinephrine?

A

Adrenal medulla

43
Q

Epinephrine and norepinephrine action

A

Fight or flight response

44
Q

What secretes testosterone?

A

Testes

45
Q

Testosterone action

A

Male secondary sex characteristics

46
Q

What secretes estrogen?

A

ovaries

47
Q

Estrogen action

A

promotes female secondary sex characteristics

48
Q

What secretes progesterone?

A

ovaries

49
Q

Progesterone actions

A

Maintains uterine lining during pregnancy

Anatomy (18 decks)

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