Chapter 17 Endocrine/Hormones Flashcards Preview

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Flashcards in Chapter 17 Endocrine/Hormones Deck (47):
1

Hormones secreted by the Hypothalamus

TRH- thyrotropin-releasing hormone
GnRH- gonadotropin-releasing hormone
Somatostatin
GHRH- Growth hormone-releasing hormone
CRH- corticotropin-releasing hormone
Substance P
PIF- prolactin-inhibiting factor
PRH-Prolactin-releasing hormone

2

Hormones secreted by the posterior pituitary gland

ADH- antidiuretic hormone
Oxytocin

3

Hormones secreted by the anterior pituitary gland

ACTH- adrenocorticotropic hormone
LH- Luteinizing hormone
FSH- follicle stimulating hormone
TSH- thyroid stimulating hormone
GH- growth hormone
Prolactin
MSH_ melanocyte stimulating hormone

4

Hormones secreted by the thyroid

T3-triiodothrronine
T4- thyroxine
calcitonin

5

Hormones secreted by the parathyroid gland

PTH- parathyroid hormone

6

Hormones secreted by the pancreas

Insulin
glucagon

7

Hormones secreted by the adrenal cortex

Cortisol
Aldosterone

8

Hormones secreted by the adrenal medulla

epinephrine
norepinephrine

9

Hormones secreted by the testes

testosterone

10

Hormones secreted by the ovaries

estrogen
progesterone

11

Function and location of ADH

Antidiuretic hormone
Posterior pituitary
conserves water, reabsorption of water in kidneys

12

Function and location of oxytocin

posterior pituitary
uterine contractions and lactation

13

Function and location of ACTH

Adrenocorticotropic hormone
anterior pituitary
production of glucocorticoids by adrenal cortex

14

Function and location of MSH

melanocyte stimulating hormone
anterior pituitary
production of pigment in skin

15

Function and location of GH

growth hormone
anterior pituitary
promotes growth in body tisssue

16

Function and location of TSH

Thyroid stimulating hormone
anterior pituitary
production and release of thyroid hormones

17

Function and location of FSH

follicle stimulating hormone
anterior pituitary
spermatogenesis (males)
maturation of ovarian follicles (females)

18

Function and location of prolactin

anterior pituitary
secretion of breast milk

19

Function and location of LH

luteinizing hormone
anterior pituitary
causes ovulation (females)
production of estrogen and progesterone (females)
production of androgen by interstitial cells in testes (males)

20

Function and location of T3

Triiodothyronine
thyroid
increase cellular metabolism

21

Function and location of T4

thyroxine
thyroid
increase cellular metabolism

22

Function and location of calcitonin

thyroid
osteoblastic
lowers serum Ca++

23

Function and location of PTH

parathyroid hormone
parathyroid
osteoclastic
raises serum Ca++

24

Function and location of insulin

pancreas beta cells
promotes use of glucose
lowers serum glucose

25

Function and location of glucagon

pancreas alpha cells
promotes use of glycogen
raises serum glucose

26

Function and location of somatostatin

pancreas delta cells
inhibits insulin and glucogon secretion

27

Function and location of cortisol

adrenal cortex
antagonize effects of insulin
inhibit inflammatory response
inhibits fibroblastic activity

28

Function and location of aldosterone

adrenal cortex
promotes retention of Na+

29

Function and location of androgens and estrogens

adrenal cortex
development of secondary sexual characteristics

30

Function and location of epinephrine and norepinephrine

adrenal medulla
regulate BP by effects on vascular smooth muscle and heart

31

Effects of catecholamines on the brain

increased blood flow
increased glucose metabolism

32

Effects of catecholamines on the cardiovascular system

increased rate and force of contraction
peripheral vasoconstriction

33

Effects of catecholamines on the pulmonary system

increased oxygen supply
bronchodilation
increased ventilation

34

Effects of catecholamines on the muscle

increased glycogenolysis
increased contraction
increased dilation of skeletal muscle vasculature

35

Effects of catecholamines on the Liver

increased glucose production
increased gluconeogene

36

Effects of catecholamines on adipose tissue

increased lipolysis
increased fatty acid and glycerol

37

Effects of catecholamines on the skin

decreased blood flow

38

Effects of catecholamines on the skeleton

decreased glucose uptake and utilization
decreased insulin release

39

Effects of catecholamines on the GI tract

decreased protein synthesis

40

Effects of catecholamines on the lymphoid tissue

increased protein breakdown

41

What hormones act as intracellular receptors

Nonpolar hormones

42

What hormones act as extracellular receptors

Polar hormones

43

hormones that circulate freely are _____

Polar hormones

44

What type of hormone needs carrier proteins

Nonpolar hormones

45

Down regulation is

decreased cell receptors due to increase of the amount of circulating hormones

46

Up regulation is

increased cell receptors due to decrease of the amount of circulating hormones

47

Function and location of melatonin

Pineal gland
Regulates circadian rhythms