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AR Chap 13
Endocrine System
Question | Answer |
---|---|
acromegaly | enlargement and elongation of the bones of the face, jaw, and extremities |
adenohypophysis | anterior pituitary gland |
adenopathy | any disease of a gland. characterized by enlargement |
adrenocortical | pertaining to the cortex of the adrenal gland(s) |
androgen | steriod, increases male characteristics |
cortex | outer region of an organ |
cretinism | congenital. characterized by dwarfism, slowed mental development, puffy facial features, dry skin, and large tongue |
diabetes insipidus | metabolic disorder. extreme polydipsia and polyuria. due to deficiency in secretion of the antidiurectic hormone. |
diabetes mellitus | disorder of the pancreas in which beta cells of the islets of Langerhans fail to produce an adequate amount of insulin. inability to appropriately metabolize charbohydrates, fats, and proteins. |
endocrine gland | ductless gland. secreted directly into the bloodstream. |
endocrinologist | physician who specializes in the medical practice of treating the diseases and disorders of the endocrine system |
endocrinology | field of medicine of the endocrine system |
estrogen | hormones that promotes the development of female secondary sex characteristics |
euthyroid | normally functioning thyroid gland |
exocrine gland | gland that opens onto the surface of the skin through ducts in the epithelium, such as an oil gland or sweat gland |
exophthalmia | outward protrusion of the eyeballs |
gigantism | excessive size and height, due to oversecretion. growth hormone. proportional overgrowth of the body's tissue due to the hypersecretion of the human growth hormone before puberty |
glucagon | hormone secreted by the islets of Langerhans, stimulates the liver to convert glycogen into glucose |
glucogenesis | formation of glycogen from fatty acids and proteins instead of carbohydrates |
glucose | simplest form of sugar in the body |
glycogenesis | conversion of excess glucose into glycogen |
glycosuria | presence of sugar in the urine |
Graves' disease | hyperthyroidism |
hypercalcemia | elevated blood calcium level |
hyperglycemia | elevated blood surgar level |
hypergonadism | excessive activity of the ovaries or testes |
hyperinsulinism | excessive amount of insulin in the body |
hyperkalemia | elevated blood potassium level |
hypernatremia | elevated blood sodium level |
hyperparathyroidism | hyperactivity of parathyroid glands |
hyperpituitarism | overactivity of the anterior lobe of the pituitary gland |
hypocalcemia | less than normal blood calcium level |
hypoglycemia | less than normal blood sugar level |
hypokalemia | less than normal blood potassium level |
hyponatremia | less than normal blood sodium level |
insulin shock | shock due to extremely low blood sugar level caused by an overdose of insulin, decreased intake of food, or excessive exercise by a diabetic patient who is insulin dependent. severe hypoglycemia is a medical emergency |
medulla | internal part of a sturcture or organ |
metabolism | sum of all physical and chemical processes |
myxedema | most severe form of hypothyroidism. characterized by puffiness of the hands and face; coarse, thickened edematous skin; an enlarged tongue; slow speech; loss of and dryness of the hair; sensitivity to cold; drowsiness; and mental apathy |
oxytocin | hormone secreted by the posterior pituitary gland, stimulates the contractions of the uterus during childbirth and stimulates the release of milk from the breasts of lactating woment |
polydipsia | excessive thirst |
polyphagia | excessive eating |
polyuria | large amounts of urine |
progesterone | female hormone secreted by the ovaries, changes that occur in the endometrium in anticipation of a fertilized ovum, and for development of the maternal placenta |
somatotropic hormone | secreted by the anterior pituitary gland. regulates normal body growth; also called the growth hormone. |
syndrome | group of symptoms, indicative of a particular disease or abnormality |
tetany | condition characterized by severe cramping and twitching of the muscles and sharp flexion of the wrist and ankle joints |
thyroiditis | inflammation of the thyroid gland |
virilism | development of masculine physical traits in the female (male secondary sex characteristics) |
dwarfism | generalized growth retardation due to the deficiency of the human growth hormone |
goiter (simple, nontoxic) | hyperplasia of the thyroid gland; deficient amount of iodine |
Graves' disease (hyperthyroidism) | hypertrophy of the thyroid gland, excessive secretion of the thyroid hormone, causes an extremely high body metabolism thus creating multisystem changes. characteristics: hyperthyroidism, thyroid gland enlargement (goiter), exophthalmia(eye protrusion) |
thyroiditis, chronic (Hashimoto's) | chronic inflammation of the thyroid gland |
thyroid storm | acute, sometimes fatal, incident of overactivity of the thyroid; excessive secretion of thyroid hormone; characterized by critically high fever and pulse rate, dehydration, extreme irritability, and delirium; also known as thyrotoxicosis |
Addison's disease | life-thratening disease due to failure of the adrenal cortex to secret adequate mineralocorticoids and glucocorticoids resulting from an autoimmune process, a neoplasm, an infection, or hemorrahage in the gland |
Cushing's syndrome | condition of the adrenal gland in which there is a cluster of symptoms occurring as a result of an excessive amount of cortisol or ACTH circulating in the blood |
Type 1 (diabetes mellitus) | occurs before the age of 30, sudden onset. no pancreatic activity & requires administration of insulin injections |
Type 2 (diabetes mellitus) | appears in adults after age of 40, gradual onset. some pancreatic activity but experience insulin resistance |
diabetic retinopathy | disorder of the blood vessels of the retina of the eye; capillaries experience localized areas of bulging (microaneurysms), hemorrhages, leakage, and scarring |
gestational diabets | women who are not diabetic before pregnancy develope diabetes during the pregnancy |
pancreatic cancer | malignant neoplasm; found in the head of the pancreas |
pancreatitis | acute or chronic destructive inflammatory condition of the pancreas |
fasting blood sugar (FBS) | blood glucose sample taken usually early in the morning after the person has been without food or drink since midnight |
glucose tolerance test (GTT) | test that evaluates the persons ability to tolerate a concentrated oral glucose; prior to glucose administration following with 30 minute, one hour, two hours, three hours |
Hemoglobin A1C Test (HgbA1C) | hemoglobin A1C test; blood test that shows the average level of glucose in an individual's blood during the last 3 months |
sermun glucose test | measure the amount of glucose in the blood at the time the sample was drawn |
thyroid function test | test that measure the blood levels of the hormones T3, T4, and TSH |
thyroid scan | examination that determines the position, size, shape, and physiological function of the thyroid gland through the use of radionuclear scanning |
thyroid-stimulating hormone (TSH) blood test | a test that measures the concentration ot the TSH in the blood |
glycogenolysis | breakdown of glycogen |
hirsutism | excessive body hair in a male distribution pattern |
adrenal cortex | aldosterone |
adrenal medulla | adrenaline |
anterior pituitary | luteinizing hormone |
ovaries | estrogen |
pancreas | insulin |
posterior pituitary | oxytocin |
thyroid | thyroxine |
thymus | thymopoietin |
pineal | melatonin |
testes | testosterone |
insulin | decrease blood glucose levels |
ADH | regulates fluid/electrolyte balance |
calcitonin | regulates the level of calcium in the blood |
aldosterone | regulates fluid/electrolyte balance |
catecholamine | increase blood glucose levels |
glucagon | increases blood glucose levels |
progesterone | promotes maturation of the ovum |
somatotropin | regulates bone and muscle growth |
luteinzing hormone | stimulates testosterone secretion |
oxytocin | stimulates uterine contraction |
testosterone | promotes sperm maturation |
adrenaline | increase heart rate |
prolactin | stimulates milk secretion |
melatonin | may induce sleep |
hydrocortisone | increases blood glucose levels |
Conn's disease (primary aldosteronism) | condition characterized by excretion of excessive amounts of aldosterone. Headache, nocturia, fatigue, ventrical arrhythmais, tetany, and muscular weakness. |
pheochromocytoma | vasular tumor of the adrenal medulla |