Quiz 2 Vocabulary Flashcards
cells with cytoplasmic granules that stain readily with acid dyes.
acidophils
a substance that can bind to a receptor and act like a native substance resulting in the normal physiologic response
Agonist
a substance that inhibits the normal action of a hormone or native substance
antagonist
hormones with masculinizing properties
androgen
when a hormone stimulates the same cell from which it is secreted
autocrine communication
a group of cells containing granules which stain readily with basic dyes
Basophil
Qualitative or quantitative determination of a substance using living biological material
Bioassay
Failure of the mammalian testes to descent into the scrotum
cryptorchidism
decrease in the number of receptors on a target tissue
down regulation
the study of the actions and interactions of the secretions of the endocrine glands
Endocrinology
Secretion of a hormone from an endocrine gland which is transported in the blood to a target organ
Endocrine secretion
A gland that secretes its product directly into the blood instead of into ducts
Endocrine gland
That which originates within the body
endogenous
a protein capable of accelerating some biochemical change in its substrate for which it is usually specific
Enzyme
Hormones that promote estrus and stimulate secondary sexual characteristics in females
Estrogen
Secretion of a product into a duct
Exocrine secretion
That which is introduced into the body from outside
Exogenous
Can be positive or negative. a physiological mechanism by which the secretion of a hormone from a target organ is either inhibited or stimulated when the circulating concentration of the hormone attains a specific level
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