Hormones Flashcards
what is affinity
the ability of a drug to bind to its receptor
what is efficacy
the ability of a drug to activate its receptor
what is competitive antagonism
when the antagonist will act to prevent the agonist from binding
how does endocrine hormones get to its target
through the bloodstream
what does the endocrine do
they synthesize and secrete hormones and pass them directly into the bloodstream
do endocrine cells contain ducts
no
do exocrine contain ducts
yes
what causes hypercortisolism
when the adrenal gland produces excess cortisol
or excess ACTH from the pituitary tumor
what is hypercortisolism also known as
Cushing’s disease
what does Cushing’s disease do
hyperglycemia - too much glucose in blood
what is hypercorticolism
when the adrenal gland produces too little cortisol
what parts make up the adrenal gland
medulla and cortex
what does the adrenal gland do
mediates rapid stress response, electrolyte balance and minor role in development of sexual characteristics
physiological effects of the adrenal gland
fat breakdown, glycogen breakdown, increased cardiac function, increased ventilation
what is the function of the zona reticularis
responsible for the production of androgens