Endocrine system Flashcards Preview

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Flashcards in Endocrine system Deck (14)
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1
Q

what is the endocrine system

A

regulatory system composed of glands that secrete hormones

2
Q

Functions

A

influences metabolism, growth, production and many other functions

3
Q

endocrine system releases

A

hormones

4
Q

what are hormones

A

chemical messenger released by endocrine glands to regulate activity of cells in other parts of body

5
Q

what are circulating hormones

A

hormones which travel through bloodstream to target cells

6
Q

which organ inactivates circulation hormones

A

liver

7
Q

which organ excretes these hormones

A

kidneys

8
Q

what are paracrine hormones

A

secreted into extracellular fluid to affect surrounding tissued - act on receptors on surrounding cells

9
Q

what are autocrine hormones

A

act on the same cell that secreted them

10
Q

what excretes histamine

A

white blood cells during allergic reaction

11
Q

what do they do

A

stimulate vasodilation

12
Q

how do water soluble circulate

A

within blood plasma

13
Q

how do lipid soluble hormones circulate

A

they bind to transport proteins, which make them temporarily water soluble

14
Q

where are the hormone receptors located

A

within the target cell or in the target cell membrane