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what does the endocrine system consist of
endocrine glands
endocrine glands are
ductless
hormones
secrete directly into the bloodstream
hormones
serves as a chemical messenger
what are the principles of the general endcorine system
hormone- receptor interaction
every hormone has a target(s)
normally hormones are released only as needed
what is the pituitary gland divided in
posterior pituitary and anterior pituitary
what is the posterior pituitary known as
neurohypophysis
what is the anterior pituitary known as
adenohypophysis
what are the two posterior pituitary hormones
oxytocin and antidiuretic (ADH) or Vasopressin
what are the targets on oxytocin
uterine smooth muscle & mammary gland (woman)
oxytocin effect on uterine smooth muscle
increase contraction
oxytocin in mammary gland
increase milk ejection
what are the targets in ADH or Vaspressin
kidney and blood vessels
what is the effect on the kidney in ADH
decrease urine output and increase water retention
what is the effect on blood vessels in ADH
increase blood pressure
increase of ADH
decrease of urine output (increase water retention)
decrease of ADH
increase of urine output (decrease water retention)
your body is over hydrated so you need to release the excess water so your body is going to
decrease ADH to pee out all the excess water. It is going to increase urine output
bleeding triggers your body to release
ADH
if you’re dehydrated your body is going to release ADH to
tell your kidney to stop making urine so you can retain as much water in your body as possible
when you’re dehydrated your blood volume decrease so therefore
your blood pressure decrease
vasoconstriction increases
blood pressure
as water retention increase
our BV raises
what are the 6 hormones in the anterior pituitary
growth hormone (somatropin)
Adrenocorticotropic hormone (ACTH) or Corticotropin
Thyroid stimulating hormone (TSH) or
Gonadotropins (FSH & LH)
Prolactin
what are the targets of growth hormone (GH) or Somatropin
bone
what is the effect on bone in growth hormone (gh)
increasing bone growth
what is the target of ACTH or Cortiocotropin
adrenal cortexr
what is the effect on adrenal cortext in ACTH or Corticotropin
increasing production of cortisol
what is the hormone of thyroid stimulating hormone
thyroid gland
what is the effect on thyroid gland in TSH
increasing production of thryoid hormone
what are gonadotropins (FSH & LH) targets
gonads
what is the effect on gonads in gonadotropins (FSH) & (LH)
increasing sperm production
increase sex hormones
what is the hormone in prolactin
mammary gland
what is the effect on mammary gland in prolactin
increase milk production
hypothalamus produces hormones to
tell the pituitary gland hormones to release the hormones or not
hypothalamus release two hormones
RH (releasing hormone)
IH (inhibiting hormone)
