Endocrine - Novak Flashcards Preview

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Flashcards in Endocrine - Novak Deck (19)
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1
Q

What hormones does the posterior pituitary produce?

A

None; it stores ADH and oxytocin

2
Q

What does ADH do?

A

anti-diuretic hormone or vasopressin

Helps with water maintenance and blood pressure

3
Q

What does oxytocin do?

A

Females: milk let down, uterine contractions, orgasms
Males: orgasms

4
Q

Where are ADH and oxytocin produced?

A

Hypothalamus

5
Q

What does the pineal gland produce?

A

melatonin

6
Q

What does melatonin do?

A
Derived from seratonin
Helps with sleeping 
Inhibits reproductive functions 
Antioxidant 
Helps with circadian rhythm 
Inhibits GnRH
7
Q

What is special about the thyroid gland?

A

It is the largest purely endocrine gland

8
Q

What does the thyroid gland produce?

A

T3, T4, and calcitonin

9
Q

What does T3 and T4 do?

A

increases metabolism

10
Q

What does calcitonin do?

A

increases reabsorption into bone; denser bone
Inhibits osteoclasts and decreases blood calcium
Produced by parafollicular cells

11
Q

What does the parathyroid gland produce?

A
Parathyroid hormone
Opposite of calcitonin
Breaks down bone to increase blood calcium 
Increases osteoclast activity
Produced by chief/principle cells
12
Q

What hormones do the ovaries produce?

A

Estrogen- promotes follicle stimulation and maturation; secondary sex characteristics
Inhibins- opposite of estrogen
Progesterin- prepares for breast and uterus for egg release

13
Q

What hormones do the testes produce?

A

Testosterone- maturation of sperm and secondary sex characteristics
Inhibins- opposite of testosterone

14
Q

What hormones do the intestines produce?

A

Gastrins, Cholecytokinin, Secretin

15
Q

What hormones do the kidneys produce?

A

EPO, calcitriol, renin

16
Q

What hormones does the heart produce?

A

Natriuretic peptides

17
Q

What hormones does the thymus produce?

A

Thymopoetin and Thymosins

18
Q

What organ shrinks?

A

Thymus

19
Q

What hormones does adipose tissue produce/

A

Leptin

Targets hypothalamus and supresses appetite