Endocrine system Flashcards
Endocrine purpose
to regulate and coordinate various bodily functions through the release of hormones.
chemical messenger
hormones produces by the endocrine system
electrical messengers
electrical impulses produced in the nervous system
Why cells talk
cells work together in order to maintain a stable internal environment known as homeostasis.
Autocrine
a cell that targets itself
Paracrine
a cell that targets nearby cells
endocrine
a cell that targets a distant cell through he bloodstream
Hormones
hormones will travel in the blood and respond to target cells with specific receptors
Steroid hormone
if the hormone is a steroid (a type of lipid) it can pass though the membrane and bind to a receptor inside. known as gene expression.
Peptide hormone
if the hormone is a peptide (a protein) then it will bind with a receptor on the surface of the cell and that receptor will trigger other molecules to produce a cell response.
Hypothalamus
makes hormones that control the pituitary gland.
pituitary gland
the pituitary gland produces hormones that regulate many of the other endocrine glands
parathyroid gland
regulate the level of calcium in the blood
Thymus
releases thymosin, which stimulates Tcell development. in childhood
adrenal gland
released epinephrine and norepinephrine, which help the body deal with stress
