Chapter 9 Flashcards
Hormones
substances secreted by an endocrine gland and responding to it
endocrine system
the series of ductless glands are found in the body
Target organ
organ or cell acted on by a particular hormones
Hyper-secretion
too much of a substance is being secreted
hyposecretion
too little of a substance is being secreted
Protein hormone
first messengers provides communication between endocrine glands and target organs
steroid hormone
lipid soluble hormones that pass intact thorugh the cell membrane of the targetcell and influence cel activity by acting on specific genes
second messenger hypothysis
provide communication within hormone target cells
cyclic amp
one of several messeges that delivers info inside a cell and thus regulates cell activity
pituitary glands
endocrine gland located in the skull madeup of the ademonypohysis and the neurohypopysis
adenohypophysis
anterior pituitary gland, which has the structure of which has the structure of endocrine gland
neuropophysis
posterior pituitary gland
Tropic hormone
hormone that stimulates another endocrine gland to grow and secrete hormones
hypoglycemia
lower than normal blood glucose concentration
Hyperglycemia
higher than normal blood glucose concentration