LMP301 Lecture 7: Endocrine Disease Flashcards Preview

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Flashcards in LMP301 Lecture 7: Endocrine Disease Deck (78)
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1

List the principle endocrine glands

1. Hypothalamus
2. Pituitary
3. Thyroid gland
4. Parathyroid gland
5. Adrenal gland
6. Pancreas
7. Ovaries
8. Testes

2

What types of hormones does the hypothalamus release?

- Releasing hormones
- Inhibiting hormones

3

What are the releasing hormones released by the hypothalamus?

- GHRH (growth hormone)
- TRH (thyrotrophin)
- CRH (corticotrophin)
- GnRH (gonadotrophin)

4

What are the inhibiting hormones released by the hypothalamus?

- Somatostatin
- Dopamine

5

Hypothalamus usually sends signals to...

Pituitary gland

6

Pituitary gland is divided into...

- Anterior Pituitary
- Posterior pituitary

7

What hormones are released by the a. pituitary?

- GH (growth)
- TSH (thyroid-stimulating)
- ACTH (adrenocorticotrophic)
- LH (luteinizing)
- FSH (Follicle-stimulating)
- PRL (Prolactin.)

8

What hormones are released by the p. pituitary?

- Antidiuretic hormone (ADH/vasopressin)
- Oxytocin

9

Hormones secreted by thyroid gland

- T4
- T3
- Calcitonin

10

T3

thyroxine

11

T4

Triiodothyronine

12

Hormones secreted by adrenal cortex

Steroids:
- Mineralocorticoids (aldosterone)
- Glucocorticoids (cortisol)
- Adrenal androgens

13

Thyroid gland controls...

metabolism

14

Hormones secreted by parathyroid gland

PTH (parathyroid hormone)

15

Parathyroid gland controls...

Ca++ levels in the body

16

The adrenal gland is divided into

- Adrenal cortex
- Adrenal medulla

17

Hormones secreted by adrenal medulla

Catecholamines: E and NE

18

Catecholamines are...

neurohormones

19

Hormones secreted by ovaries

- Estrogens
- Progesterone

20

Hormones secreted by the testes

Testosterone

21

Hormones secreted by pancreas

- Glucagon (alpha cells)
- Insulin (Beta cells)
- Somatostatin (delta cells)

22

how are hormones classified?

- Endocrine
- Paracrine
- Autocrine
- Neuroendocrine, NT

23

What are endocrine hormones?

Long distance
- sent through blood and carried to target cells

24

What are paracrine hormones?

Short distance
- act on nearby cells

25

Example of paracrine hormone?

Glucagon act on B-cells of the pancreas

26

Example of endocrine hormone?

ACTH from pituitary act on adrenal cortex

27

What are autocrine hormones?

Local
- hormone act on cell that secreted it

28

Example of autocrine hormone

1,25(OH)2vitD from prostate & pancreas

29

What are NT/NE hormones?

Hormones secreted from neural axon terminals

30

Examples of NT/NE hormones

E
NE