0-1 chapter 17 - hormones Flashcards

1
Q

melatonin

A

Pineal
Target tissue - hypothalamus (brain to brain - diencephalon to hypothalamus)

Effect: regulates body clock, promotes sleepiness, may involve reproduction, circadian rhythm
(More produced at night)

BRAIN/HYPOTHALMUS. - SLEEP CYCLE

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2
Q

TRH

Thyroid Releasing Hormone

A

Hypothalamus

Target anterior pituitary
Effect: TSH secretion

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3
Q

CRH

Corticotropin Releasing Hormone

A

Hypothalamus

Target anterior pituitary

Effect ACTH SECRETION

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4
Q

GnRH

Gonadotrophin Releasing Hormone

A

Hypothalamus

Target anterior pituitary

Effect FSH, LH Secretion

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5
Q

GHRH/GHIH

Growth Hormone Releasing/Inhibiting Hormone

A

Hypothalamus

Somatostatin inhibits secretion of hGH

Target anterior pituitary

Effect: Release or inhibit secretion of hGH

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6
Q

PRH/PIH

Prolactin Releasing/Inhibiting Hormone

A

Hypothalamus

Target anterior pituitary

Effect: promotes or suppresses release of prolactin

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7
Q

TSH

Thyroid Stimulating Hormone

A

Anterior Pituitary

Target - thyroid

Effect - stimulates synthesis and release of T3/T4

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8
Q

ACTH

Adrenocorticotropic Hormone

A

Anterior Pituitary

Target - adrenal cortex

Effect: controls production and release of cortisol

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9
Q

FSH, LH

Follicle Stimulating Hormone

Luteinizing Hormone

A

Anterior Pituitary

Target : gonads

Effect : release estrogen, proestergine, testosterone

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10
Q

hGH

Human Growth Hormone

A

Anterior Pituitary

Target - body

Effect - maintain mass, repair

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11
Q

PRL

Prolcatin

A

Anterior Pituitary

Target- mammary glands

Effect - initiate and maintain milk production

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12
Q

ADH

Antidiuretic Hormone

A

Posterior Pituitary

Target - kidneys

Effect - decrease urine

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13
Q

Oxytocin

A

Posterior Pituitary

Target - uterus, breast

Effect - muscle contraction

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14
Q

T3, T4

A

Thyroid
(T3) triiodothyronine - thyroid gland, follicular cells (source), general (target) - INCREASES METABOLISM

(T4) tetraiodothyronine - thyroid gland, follicular cells (source), general target - INCREASES METABOLISM (usually converted to T3 first)

Target - general
Effect - increase metabolism

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15
Q

Calcitonin

A

Thyroid(parafollicular cells) , bone tissue (target), increases calcium storage in the bone, LOWERING Ca++ LEVELS

Target bone tissue
Effect - increase calcium storage in bone

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16
Q

PTH

Parathyroid Hormone

A
Parathyroid 
bone tissue/kidneys (target), increases calcium removal from storage in bone and produces the the active form of vitamin D (calcitrol) in the kidneys, increasing absorption of calcium via intestines and INCREASING BLOOD Ca++ LEVELS
increases osteoclasts
Target- bone/kidneys
Effect- increase blood calcium
17
Q

Thymosin

A

Thymus
(educates T cells)
Target tissue- immune system
Effect- promotes formation & maturation of T cells

Large in children, begins to atrophy throughout life

Target - immune system
Effect - T cell formation/maturation

18
Q

Epinepherine &

Norepinephrine

A

Adrenals - medula

Target: sympathetic effectors

Effect: enhance and prolong sympathetic effect

19
Q

Aldosterone

A

Adrenals - cortex

Target : kidneys

Effect: water conservation

20
Q

Cortisol

A

Adrenals - cortex

Target - all tissues

Effect : metabolism/ anti-inflammatory

21
Q

Adrenal Androgens/Estrogens

A

Adrenals - cortex

Target: sex organs

Effect : sexual function

22
Q

Insulin

A

Pancreas
From beta cells
Target tissues: various cells/tissues throughout the body, general
Effect - lowers blood sugar - tells cells to absorb/uptake glucose from blood to cells
If used it’s energy, if not it turns to fat
INTO THE CELLS

Target : general

Effect - decrease blood sugar

23
Q

Glucagon

A

Pancreas
From alpha cells
Target tissues- glycogen stored in liver/glucagon from pancreas
Effect- increases blood sugar (breaks down glycogen into glucose)

Target - liver
Effect - increase blood sugar

24
Q

Estrogens/Progesterone

A

Ovaries

Target : general

Effect - monthly cycle, body shape

24
Q

Testerone

A

Testes

Target - general

Effect - sperm production, male characteristics

25
Q

Releasing and inhibiting hormones come from

A

HYPOTHALMUS

26
Q

Tropic and non-tropic hormones come from

A

Anterior pituitary

27
Q

Insulin is only hormone that will

A

Decrease blood sugar