, Classification of Hormones Hormonal Action
peptides ·
hydrophilic hormones act via receptor proteins
·
chain of amino acids on cell surface
most hormones are peptides
-
polypeptides
↳ insulin , vasopressin hydrophilic hormones
produce another
-
glycoproteins
chemical as a second
have glucose component
·
messenger that
goes
↳ FSH LH on to pass the
,
insulin structure message
Amines
·
tyrosine derivatives
·
e
:
epinephrine
-
, norepinephrine , thyroid ,
melatonin
catecholamines
resemble amino side chains
acid lipophilic hormones can
directly enter cell (no
·
receptor needed)
Steroids
·
lipophilic ; derived from cholesterol
·
testosterone ,
-
estrogen , progesterone ,
cortisol
gonadal hormones
Non-steroidal Lipids
·
derived from arachidonic acid (essential FA)
·
prostaglandin E2 alpha
, Location of Hormone Secretion
Anterior
Pituitary Posterior
Pituitary Adrenal Gland-Cortex
·
growth hormone ·
vasopressin (antidiuretic ·
glucocorticoids (cortisol ,
aka
·
adrenocorticotropin hormone (ACTH) -
regulates water reabsorption stress hormone)
·
thyroid stimulating hormone (TSH) ·
oxytocin ·
mineral corticoids Caldosterone)
·
LH & FSH -
milk letdown
-
maintain electrolyte balance
·
prolactin uterine contractions by increasing Nat reabsorption
- -
K+ balance
Adrenal Gland-Medulla Parathyroid Gland Pancreatic Hormones
·
amines -
epinephrine and norepinephrine ·
parathyroid hormone (PTH) ·
insulin (t blood glucose)
-
fight or
flight response -responds to low blood cast ·
glucagon (4 blood glucose)
-can be
excitatory or
inhibitory
·
somatostatin -
slows metabolism
peptides ·
hydrophilic hormones act via receptor proteins
·
chain of amino acids on cell surface
most hormones are peptides
-
polypeptides
↳ insulin , vasopressin hydrophilic hormones
produce another
-
glycoproteins
chemical as a second
have glucose component
·
messenger that
goes
↳ FSH LH on to pass the
,
insulin structure message
Amines
·
tyrosine derivatives
·
e
:
epinephrine
-
, norepinephrine , thyroid ,
melatonin
catecholamines
resemble amino side chains
acid lipophilic hormones can
directly enter cell (no
·
receptor needed)
Steroids
·
lipophilic ; derived from cholesterol
·
testosterone ,
-
estrogen , progesterone ,
cortisol
gonadal hormones
Non-steroidal Lipids
·
derived from arachidonic acid (essential FA)
·
prostaglandin E2 alpha
, Location of Hormone Secretion
Anterior
Pituitary Posterior
Pituitary Adrenal Gland-Cortex
·
growth hormone ·
vasopressin (antidiuretic ·
glucocorticoids (cortisol ,
aka
·
adrenocorticotropin hormone (ACTH) -
regulates water reabsorption stress hormone)
·
thyroid stimulating hormone (TSH) ·
oxytocin ·
mineral corticoids Caldosterone)
·
LH & FSH -
milk letdown
-
maintain electrolyte balance
·
prolactin uterine contractions by increasing Nat reabsorption
- -
K+ balance
Adrenal Gland-Medulla Parathyroid Gland Pancreatic Hormones
·
amines -
epinephrine and norepinephrine ·
parathyroid hormone (PTH) ·
insulin (t blood glucose)
-
fight or
flight response -responds to low blood cast ·
glucagon (4 blood glucose)
-can be
excitatory or
inhibitory
·
somatostatin -
slows metabolism
