Altius Biology 2 > Hormones > Flashcards

Hormones Flashcards

(20 cards)

Study These Flashcards
1
Q

ACTH

  • Location
  • Class
  • Function
A

Adrenocorticotropic Hormone

  • Location: anterior pituitary
  • Class: peptide/water soluble
  • Function: causes adrenal cortex to release stress hormones called GLUCOCORTICOIDS
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2
Q

LH

  • Location
  • Class
  • Function
A

Leutinizing Hormone

  • Location: anterior pituitary
  • Class: peptide/water soluble
  • Function: surge in LH levels —> OVULATION, also stimulates secretion of estrogen and testosterone
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3
Q

FSH

  • Location
  • Class
  • Function
A

Follicle Stimulating Hormone

  • Location: anterior pituitary
  • Class: peptide/water soluble
  • Function:
    1. Stimulates growth of the follicle during menstrual cycle,
    2. Production of sperm
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4
Q

TSH

  • Location
  • Class
  • Function
A

Thyroid Stimulating Hormone

  • Location: anterior pituitary
  • Class: peptide/water soluble
  • Function: Stimulates release of T3/T4 from the thyroid
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5
Q

hGH

  • Location
  • Class
  • Function
A

Human Growth Hormone

  • Location: anterior pituitary
  • Class: peptide/water soluble
  • Function: stimulates growth throughout the body
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6
Q

Prolactin

  • Location
  • Class
  • Function
A
  • Location: anterior pituitary
  • Class: peptide/water soluble
  • Function: stimulates milk production in the breasts
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7
Q

ADH

  • Location
  • Class
  • Function
A

Anti Diuretic Hormone “no-pee hormone”

  • Location: posterior pituitary
  • Class: peptide/water soluble
  • Function: causes the CD of the nephron to become highly permeable to water so that water in the body is retained, and the urine is very concentrated

Think about what your body is going to do if you’re trapped in the desert with no access to water.

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8
Q

Oxytocin

  • Location
  • Class
  • Function
A

The “cuddle” hormone, released during orgasm and child birth
—have an orgasm during child birth to make labor quicker

  • Location: posterior pituitary
  • Class: peptide/water soluble
  • Function: stimulates contractions during childbirth and milk secretion during nursing
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9
Q

PTH

  • Location
  • Class
  • Function
A

Parathyroid Hormone

  • Location: parathyroid
  • Class: peptide/water soluble
  • Functions:
    1. Increases blood Ca++ by stimulating proliferation of osteoclasts
    2. Increases uptake if Ca++ in the gut
    3. Promotion of reabsorption if Ca++ in the kidney
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10
Q

Insulin

  • Location
  • Class
  • Function
A
  • Location: pancreas
  • Class: peptide/water soluble
  • Function: stimulates uptake and storage of glucose from the blood
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11
Q

Glucagon

  • Location
  • Class
  • Function
A
  • Location: pancreas
  • Class: peptide/water soluble
  • Function: stimulates gluconeogenesis and release of glucose into the blood
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12
Q

Calcitonin

  • Location
  • Class
  • Function
A
  • Location: thyroid
  • Class: peptide/water soluble
  • Function: decreases blood Ca++ by inhibiting osteoclasts
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13
Q

hCG

  • Location
  • Class
  • Function
A

Human Chorionic Gonadotrophin

  • Location: egg/placenta
  • Class: peptide/water soluble
  • Function: prevents degeneration of the corpus luteum, MAINTAINS PREGNANCY
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14
Q

Aldosterone

  • Location
  • Class
  • Function
A
  • Location: adrenal cortex
  • Class: steroid/lipid soluble
  • Functions:
    1. Increases Na+ reabsorption and K+ secretion at the DCT and the CD of nephron
    2. Results in a net increase in salts in the plasma
    3. Increases osmotic potential and BP
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15
Q

Cortisol

  • Location
  • Class
  • Function
A

A stress hormone!

  • Location: adrenal cortex
  • Class: steroid/lipid soluble
  • Functions:
    1. Increases gluconeogenesis in the liver and thus blood glucose levels
    2. Stimulates fat breakdown
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16
Q

Testosterone

  • Location
  • Class
  • Function
Study These Flashcards
A
  • Location: gonads (testes)
  • Class: steroid/lipid soluble
  • Functions:
    1. Stimulates development of secondary sex characteristics
    2. Closes epiphyseal plates
17
Q

Estrogen

  • Location
  • Class
  • Function
Study These Flashcards
A
  • Location: gonads (ovaries)
  • Class: steroid/lipid soluble
  • Functions:
    1. Stimulates female sex organs
    2. Causes LH surge in menstruation
18
Q

Progesterone

  • Location
  • Class
  • Function
Study These Flashcards
A
  • Location: gonads (ovaries)
  • Class: steroid/lipid soluble
  • Function: stimulates growth and maintenance of uterus during pregnancy
19
Q

T3 and T4

  • Location
  • Class
  • Function
Study These Flashcards
A

Thyroid hormones

  • Location: thyroid
  • Class: Tyrosine derivative/lipid soluble
  • Function: increases nasal metabolic rate, effecting metabolism
20
Q

Epinephrine and Norepinephrine

  • Location
  • Class
  • Function
Study These Flashcards
A
  • Location: adrenal medulla
  • Class: Tyrosine derivative/WATER soluble
  • Function: causes responses almost identical to a sympathetic NV response (fight or flight)
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