3 - Homeostasis - Chapter 16 - endocrine Flashcards
what is a hormone
chemical substance released into the blood and ECF that regulates the metabolic function of other cells in the body
hormones are specific meaning that they?
bind only to their own receptor
what 3 things does the level of target cell activation depend on?
1) hormone concentration
2) target cell receptor content
3) affinity of hormone for receptor
what are the 3 essential components of homeostatic control mechanism?
receptor, control centre and effector
infundibulum structure function
the hollow stalk which connects the hypothalamus and the posterior pituitary gland.
adenohypophysis
produces and secretes a majority of the hormones of the pituitary gland
pituicytes
type of glial cell
pituicyte function
assist in the storage and release of hormones of the posterior pituitary
what location are hypothalamic neurons who’s cells make primarily oxytocin
supraoptic and paraventricular nucleus
what produces mainly antidieurteic hormone
the supraoptic nucleus