Endocrine System Notes

KDaya
Endocrine
Endocrine System -> gland:Secretion h ormones
of


directly into the bloodstream.

-> Exocrine secretion hormones
gland: of




&estasis body cavity.
via ducts into a




NB!
ability to maintain internal
->

stability
in an
organism to
compensate Hormone: chemical substances

for the environment. that actlike
messenger
molecules in the body
Function:
know the difference
->
regulation of
H20 + minerals between:

body temp.
->
regulation
hormone levels
hypersecretion:
->
regulation over secretion of
a hormone




hyposecretion:under secretion of hormone


gen
a




deviation from
⑤ Hypothalamus
any normal
->
h
Pituitary Gland
level illicits a
response 8.
@8. hyroid Gland
to levels
restore




① Hypothalamus Pancreas




I
⑬
g Adrenal Gland
⑰ ⑱ Ovaries
Hormones secreted:
Testes
⑭

ADH
->


(Anti diuretic hormone)
->



osmoregulation in


Kidney


Oxytocin
->




-> causes uterine walls Attached
start
to

contracting via

in fundibulum



Responsible for
growth, hunger, thirst
+> sexual behavior


AKA Hypophysis
Edm 1: Growth Hormone

② Pituitary Gland
->
base of brain children: Adults
gland
->
master



hyper:acromegaly or
or
lobe Posterior lobe mypo-dwarfish
->
HGH (growth hormone) t
storage of ADH

->
TSH (thyroid stimulating hormones -
storage of
Oxytocin
-> LH
Cluteinising hormone)
FSH (follicle
stimulating hormones
->




->
Prolactin