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med term ch 11
ch 11
89
Medical
Undergraduate 2
04/19/2011

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Term
Adrenal cortex
Definition
Glucocorticoids, mineralocorticoids, and steroid sex hormones
Term
glucocorticoids
Definition
cortisol
Term
cortisol
Definition
regulates carbohydrate levels in the body
Term
mineralcorticoids
Definition
aldosterone
Term
aldosterone
Definition
regulates electrolytes and fluid volume in body
Term
steroid sex hormones
Definition
androgen, estrogen, and progesterone
Term
Androgen, estrogen, and progestrone
Definition
responsible for reproduction and secondary sexual characteristics
Term
ovaries
Definition
estrogen and progesterone
Term
estrogen
Definition
stimulates development of secondary sex characteristics in females; regulates menstrual cycle
Term
progesterone
Definition
prepares for conditions of pregnancy
Term
Pancreas
Definition
glucagon and insulin
Term
glucagon
Definition
stimulates liver to release glucose into the blood
Term
insulin
Definition
regulates and promotes entry of glucose into cells
Term
parathyroid glands
Definition
parathyroid hormone PTH
Term
parathyroid hormone
Definition
stimulates bone breakdown; regulates calcium level in the blood
Term
pituitary anterior lobe
Definition
adrenocorticotropin hormone ACTH, follicle-stimulating hormone FSH, growth hormone GH, luteinizing hormone LH, melanocyte-stimulating hormone MSH, prolactin, thyroid-stimulating hormone TSH
Term
adrenocorticotropin hormone ACTH
Definition
regulates function of adrenal cortex
Term
follicle-stimulating hormone FSH
Definition
stimulates growth of eggs in female and sperm in males
Term
growth hormone GH
Definition
stimulates growth of the body
Term
luteinizing hormone LH
Definition
regulates function of male and female gonads and plays a role in releasing ova in females`
Term
melanocyte-stimulating hormone MSH
Definition
stimulates pigment in skin
Term
Prolactin
Definition
stimulates milk production
Term
thyroid-stimulating hormone
Definition
regulates function of thyroid gland
Term
pituitary posterior lobe
Definition
antidiuretic hormone ADH, Oxytocin
Term
antidiuretic hormone ADH
Definition
stimulates the reabsorption of water by the kidneys
Term
oxytocin
Definition
stimulates the uterine contractions and releases milk into ducts
Term
Testes
Definition
testosterone
Term
testosterone
Definition
promotes sperm production and development of secondary sex characteristics in males
Term
thymus
Definition
thymosin
Term
thymosin
Definition
promotes development of cells in immune system
Term
thyroid gland
Definition
calcitonin, throxine T4, triiodothyronine T3
Term
calcitonin
Definition
stimulates deposition of calcium into bone
Term
thyroxin T4
Definition
stimulates metabolism in cells
Term
triiodothyronine T3
Definition
stimulates metabolism in cells
Term
acidosis
Definition
excessive acidity of body fluids due to the accumulation of acids, as in diabetic acidosis
Term
edema
Definition
condition in which the body tissues contain excessive amounts of fluids
Term
endocrinology
Definition
branch of medicine involving diagnosis and treatment of conditions and diseases of endocrine glands.
Term
exopathalmos
Definition
condition in which the eyeballs protrude, such as in Graves' disease. caused by overproduction of thyroid hormone.
Term
gynecomastia
Definition
development of breast tissue in males. symptom of adrenal feminization.
Term
hirsutism
Definition
condition of having an excessive amount of hair.
Term
hypersecretion
Definition
excessive hormone production by an endocrine gland.
Term
hyposecretion
Definition
deficient hormone production by an endocrine gland
Term
obesity
Definition
having an abnormal amount of fat in the body
Term
syndrome
Definition
group of symptoms and signs that, when combined, present a clinical picture of a disease or condition.
Term
Addison's disease
Definition
disease that results from a deficiency in adrenocortical hormones. may be an increased pigmentation of the skin, generalized weakness, and weight loss.
Term
adrenal feminization
Definition
development of female secondary sexual characteristics in a male. often a result of increased estrogen secretion by the adrenal cortex.
Term
adrenal virilism
Definition
development of male secondary sexual characteristics in a female.
Term
Cushing's syndrome
Definition
set of symptoms that result from the hypersecretion of the adrenal cortex. may result of a tumor of the adrenal glands and may present symptoms of weakness, edema, excessive hair growth, skin discoloration, and osteoporosis.
Term
pheochromocytoma
Definition
usually a benign tumor of the adrenal medulla that secretes epinephrine. symptoms are anxiety, heart palpitations, dyspnea, profuse sweating, headache, and nausea.
Term
diabetes mellitus
Definition
chronic disorder of carb metabolism that results in hyperglycemia and glycosuria.
Term
diabetic retinopathy
Definition
secondary complication of diabetes that affects the blood vessels of the retina, resulting in visual changes and even blindness.
Term
insulin-dependent diabetes mellitus
Definition
type 1 diabetes, develops early in life when the pancreas stops insulin production.
Term
insulinoma
Definition
tumor of the islet of Langerhans cells of the pancreas that secretes an excessive amount of insulin.
Term
ketoacidosis
Definition
acidosis due to an excess of acidic ketone bodies (waste products). serious condition requiring immediate treatment that can result in death for the diabetic patient if not reversed.
Term
non-insulin-dependent diabetes mellitus
Definition
type 2 diabetes, typically develops later in life. pancrease produces normal to high levels of insulin, but the cells fail to respond to it.
Term
peripheral nueropathy
Definition
damage to the nerves in the lower legs and hands as a result of diabetes mellitus.
Term
tetany
Definition
nerve irritability and painful muscle cramps resulting from hypocalcemia. hypoparathyroidism is one cause of tetany.
Term
Recklinghausen disease
Definition
excessive production of parathyroid hormone, which results in degeneration of the bones.
Term
acromegaly
Definition
chronic disease of adults that results in an elongation and enlargement of the bones of the head and extremities. can also be mood changes, due to an excessive amount of growth hormone.
Term
diabetes insipidus
Definition
disorder caused by the inadequate secretion of antidiuretic hormone by the posterior lobe of the pituitary gland.
Term
dwarfism
Definition
condition of being abnormally short in height. may be a result of a hereditary condition or a lack of growth hormone.
Term
gigantism
Definition
excessive development of the body due to the overproduction of the growth hormone by the pituitary gland in a child or teenager.
Term
panhypopituitarism
Definition
deficiency in all the hormones secreted by the pituitary gland.
Term
cretinism
Definition
congenital condition in which a lack of thyroid hormones may result in arrested physical and mental development.
Term
goiter
Definition
enlargement of the thyroid gland
Term
Graves' disease
Definition
condition that results in overactivity of the thyroid gland and can cause a crisis situation.
Term
Hashimoto's disease
Definition
chronic autoimmune form of thyroiditis, results in hyposecretion of thyroid hormones
Term
myxedema
Definition
condition resulting from a hyposecretion of the thyroid gland in an adult. symptoms can include anemia, slow speech, swollen facial features, edematous skin, drowsiness, and mental lethargy.
Term
thyrotoxicosis
Definition
condition resulting from marked overproduction of the thyroid gland. Symptoms include rapid heart action, tremors, enlarged thyroid gland, exophthalmos, and weight loss
Term
adenocarcinoma
Definition
cancerous tumor in a gland that is capable of producing the hormones secreted by that gland.
Term
blood serum test
Definition
blood test to measure the level of substances such as calcium, electrolytes, testosterone, insulin, and glucose. used to determine the function of various endocrine glands
Term
fasting blood sugar FBS
Definition
blood test to measure the amount of sugar circulating throughout the body after a 12-hour fast.
Term
glucose tolerance test
Definition
test to determine the blood sugar level.
Term
protein-bound iodine test
Definition
blood test to measure the concentration of throxine circulating in the bloodstream.
Term
radioimmunoassay
Definition
test used to measure the levels of thyroxine, triiodothyronine, and thyroid-stimulating hormone in the blood stream to assist in determining thyroid function.
Term
total calcium
Definition
blood test to measure the total amount of calcium to assist in detecting parathyroid and bone disorders.
Term
two hour postprandial glucose tolerance test
Definition
blood test to assist in evaluating glucose metabolism.
Term
thyroid echogram
Definition
ultrasound examination of the thyroid that can assist in distinguishing a thyroid nodule from a cyst.
Term
thyroid scan
Definition
test in which radioactive iodine is administered that localizes in the thyroid gland.
Term
chemical thyroidectomy
Definition
large dose of radioactive iodine is given in order to kill thyroid gland cells without having to actually do surgery.
Term
hormone replacement therapy
Definition
artificial replacement of hormones in patients with hyposecretion disorders.
Term
laparoscopic adrenalectomy
Definition
removal of the adrenal gland through a small incision in the abdomen and using endoscopic instruments.
Term
lobectomy
Definition
removal of a lobe from an organ.
Term
antithyroid agents
Definition
medication given to block production thyroid hormones in patients with hypersecretion disorders
Term
corticosteroids
Definition
although the function of these hormones in the body is to regulate carbohydrate metabolism, they also have a strong anti-inflammatory action. They are used to treat severe chronic inflammatory diseases such as rheumatoid arthritis.
Term
human growth hormone therapy
Definition
hormone replacement therapy with human growth hormone in order to stimulate skeletal growth.
Term
insulin
Definition
administered to replace insulin for type 1 diabetics or to treat severe type 2 diabetes.
Term
oral hypoglycemic agents
Definition
hormone replacement therapy for patients with hypothyroidism or who have had a thyroidectomy.
Term
vasopressin
Definition
given to control diabetes insipidus and promote reabsorption of water in the kidney tubules.
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