Chapter 17 - Endocrine System (17.1) Flashcards
antidiuretic
an agent that decreases urine production
antidiuretic hormone
posterior pituitary hormone that decreases urine output by acting on the kidney; also called vasopressin
endocrine
pertaining to a gland that produces an internal or hormonal secretion
endocrinology
medical specialty concerned with the production and effects of hormones
endocrinologist
a medical specialist in endocrinology
gland
a collection of cells functioning as a secretory or excretory organ
hormone
chemical formed in one tissue or organ and carried by the blood to stimulate or inhibit a function of another tissue or organ
hormonal
pertaining to a hormone or the endocrine system
leptin
hormone secrete by adipose tissue
melatonin
hormone formed by the pineal gland
oxytocin
hypothalamic hormone, stored in the posterior pituitary, that stimulates the uterus to contract
parathyroid
endocrine glands embedded in the back of the thyroid gland
pineal
pertaining to the pineal gland
pituitary
pertaining to the pituitary gland
prostaglandin
hormone present in many tissues, but first isolated from prostate gland
seasonal affective disorder (SAD)
depression that occurs at the same time every year, often in winter
serotonin
a neurotransmitter in the central and peripheral nervous systems
adenohypophysis
anterior lobe of the pituitary gland
adrenal gland
the suprarenal, or adrenal, gland on the upper pole of each kidney
adrenocorticotropic hormone
hormone of the anterior pituitary that stimulates the cortex of the adrenal gland to produce its own hormones
antidiuretic hormone (ADH) aka vasopressin
posterior pituitary hormone that decreases urine output by acting on the kidney
corticosteroid
a hormone produced by the adrenal cortex
corticotropin
pituitary hormone that stimulates the cortex of the adrenal gland to secrete cortisone
hypophysis
another name for the pituitary gland
neurohypophysis
posterior lobe of the pituitary gland
prolactin
pituitary hormone that stimulates the production of milk
somatotropin (aka growth hormone)
hormone of the anterior pituitary that stimulates growth of body tissues
thyroid
endocrine gland in the neck, or a cartilage of the larynx
thyrotropin
hormone from the anterior pituitary gland that stimulates function of the thyroid gland
thyroxine
thyroid hormone
T4, tetraiodothyronine
tropin/trophin
tropic hormones stimulate other endocrine glands to produce hormones
vasopressin (aka ADH)
pituitary hormone that constricts blood vessels and decreases urine output
antagonist
an opposing structure, agent, disease, or process
antagonistic (adj)
having an opposite function
calcitonin
thyroid hormone that moves calcium from blood to bones
iodine
chemical element, the lack of which causes thyroid disease
parathyroid
endocrine glands embedded in the back of the thyroid gland
thymus
endocrine gland located in the mediastinum
thyroid hormone
collective term for the two thyroid hormones, T3 and T4
thyroxine
Thyroid hormone T4, tetraiodothyronine
triiodothyronine
thyroid hormone T3
adrenal gland
the suprarenal, or adrenal, gland on the upper pole of each kidney
adrenaline (aka epinephrine)
one of the catecholamines
adrenocortical
pertaining to the cortex of the adrenal gland
aldosterone
mineralocorticoid hormone of the adrenal cortex
catecholamine
any major hormones in stress response; includes epinephrine and norepinephrine
corticoid (aka corticosteroid)
one of the hormones produced by the adrenal cortex
cortisol (aka hydrocortisone)
one of the glucocorticoids produced by the adrenal cortex; has anti-inflammatory effects
dehydroepiandrosterone (DHEA)
precursor to testosterone; produced in the adrenal cortex
epinephrine (aka adrenaline)
main catecholamine produced by the adrenal medulla
glucocorticoid
hormone of the adrenal cortex that helps regulate glucose metabolism
hydrocortisone (aka cortisol)
potent glucocorticoid with anti-inflammatory properties
mineralocorticoid
hormone of the adrenal cortex that influences sodium and potassium metabolism
norepinephrine (aka noradrenaline)
parasympathetic neurotransmitter that is a catecholamine hormone of the adrenal gland
glucagon
pancreatic hormone that supports blood glucose levels
gluconeogenesis
formation of glucose from noncarbohydrate sources
glycogenolysis
conversion of glycogen to glucose
insulin
a hormone secreted by the islet cells of the pancreas
pancreas
lobulated gland, the head of which is tucked into the curve of the duodenum
pancreatic (adj)
pertaining to the pancreas
pancreatic islets
areas of pancreatic cells that produce insulin and glucagon
somatostatin
hormone that inhibits the release of growth hormone and insulin