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Med term Ch 11
Endocrine
123
Medical
Graduate
04/01/2008

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Term
aden/o
Definition
gland
Term
adren/o
Definition
adrenal gland
Term
adrenal/o
Definition
adrenal gland
Term
andr/o
Definition
male
Term
crin/o
Definition
to secrete
Term
dips/o
Definition
thirst
Term
hormon/o
Definition
hormone (an urging on)
Term
ket/o
Definition
ketone bodies
Term
keton/o
Definition
ketone bodies
Term
pancreat/o
Definition
pancreas
Term
thym/o
Definition
thymus gland
Term
thyr/o
Definition
thyroid gland (shield)
Term
thyroid/o
Definition
thyroid gland (shield)
Term
adrenal glands
Definition
located next to each kidney, the adrenal cortex secretes steroid hormones and the adrenal medulla secretes epinephrine and norepinephrine
Term
suprarenal glands
Definition
adrenal glands
Term
steroid hormones
Definition
regulate carbohydrate metabolism and salt and water balance; some affect on sexual characteristics
Term
glucocorticoids
Definition
steroid hormone
Term
mineral corticosteroids
Definition
steroid hormones
Term
androgens
Definition
steroid hormone
Term
epinephrine
Definition
affect sympathetic nervous system in stress response
Term
norepinephrine
Definition
affect sympathetic nervous system in stress response
Term
ovaries
Definition
located one on each side of the uterus in the female pelvis, functioning to secrete estrogen and progesterone
Term
estrogen/progesterone
Definition
responsible for the development of female secondary sex characteristics and the regulation of reproduction
Term
pancreas
Definition
located behind the stomach in front of the first and second lumbar vertebrae, functioning to secrete insulin and glucagon
Term
insulin/glucagon
Definition
regulate carbohydrate/sugar metabolism
Term
parathyroid glands
Definition
located on the posterior aspect of the thyroid gland in the neck, functioning to secrete parathyroid hormone
Term
parathyroid hormone
Definition
regulates calcium and phosphorus metabolism
Term
pineal gland
Definition
located in the center of the brain, functioning to secrete melatonin and serotonin
Term
melatonin
Definition
exact function unknown; affects onset of puberty
Term
serotonin
Definition
a neurotransmitter that serves as the precursor to melatonin
Term
pituitary gland/hypophysis
Definition
located at the base of the brain, the anterior pituitary secretes thyroid-stimulating hormone, adrenocorticotropic hormone, follicle-stimulating hormone, luteinizing hormone, melanocyte-stimulating hormone, growth hormone, and prolactin; posterior pituitary releases antidiuretic hormone and oxytocin
Term
thyroid-stimulating hormone
Definition
stimulates secretion from thyroid gland
Term
adrenocorticotropic hormone
Definition
stimulates secretion from adrenal cortex
Term
follicle-stimulating hormone
Definition
initiates growth of ovarian follicle; stimulates secretion of estrogen in females and sperm production in males
Term
luteinizing hormone
Definition
causes ovulation; stimulates secretion of progesterone by corpus luteum; causes secretion of testosterone in testes
Term
melanocyte-stimulating hormone
Definition
affects skin pigmentation
Term
growth hormone
Definition
influences growth
Term
prolactin (lactogenic hormone)
Definition
stimulates breast development and milk production during pregnancy
Term
antidiuretic hormone
Definition
influences the absorption of eater by kidney tubules
Term
oxytocin
Definition
influences uterine contraction
Term
testes
Definition
located one on each side within the scrotum in the male, functioning to secrete testosterone
Term
thymus gland
Definition
located in the mediastinal cavity anterior to and above the heart, functioning to secrete thymosin
Term
thymosin
Definition
regulates immune response
Term
thyroid gland
Definition
located in front of the neck, functioning to secrete triiodothyronine (T3), thyroxine (T4), and calcitonin
Term
triiodothyronine
Definition
known as the thyroid hormone; regulates metabolism
Term
thyroxine
Definition
known as thyroid hormone; regulates metabolism
Term
calcitonin
Definition
regulates calcium and phosphorus metabolism
Term
exophthalmos/exophthalmus
Definition
protrusion of one or both eyeballs, often because of thyroid dysfunction or a tumor behind the eyeball
Term
glucosuria
Definition
glucose in the urine
Term
glycouria
Definition
glucose in the urine
Term
hirsutism
Definition
shaggy; an excessive growth of hair especially in unusually places
Term
hypercalcemia
Definition
an abnormally high level of calcium in the blood
Term
hypocalcemia
Definition
an abnormally low level of calcium in the blood
Term
hyperglycemia
Definition
high blood sugar
Term
hypoglycemia
Definition
low blood sugar
Term
hyperkalemia
Definition
abnormally high level of potassium in the blood
Term
hypokalemia
Definition
deficient levels of potassium in the blood
Term
hypernatremia
Definition
excessive level of sodium ions in the blood
Term
hyponatremia
Definition
low levels of sodium in the blood
Term
hypersecretion
Definition
abnormally increased secretion
Term
hyposecretion
Definition
decreased secretion
Term
ketosis/ketoacidosis/diabetic ketoacidosis
Definition
presence of an abnormal amount of ketone bodies in the blood nd urine indicating an abnormal utilization of carbohydrates as seen in uncontrolled diabetes and starvation
Term
metabolism
Definition
all chemical processes in the body that result in growth, generation of energy, elimination of waste, and other body functions
Term
polydipsia
Definition
excessive thirst
Term
polyuria
Definition
excessive urination
Term
Cushing syndrome
Definition
collection of signs and symptoms caused by an excessive level of cortisol hormone from any cause; symptoms include upper body obesity, facial puffiness, hyperglycemia, weakness, thin and easily bruised skin with stria, hypertension, and osteoporosis
Term
adrenal virilism
Definition
excessive output of the adrenal secretion of androgen in adult women owing to tumor or hyperplasia; evidenced by amenorrhea, acne, hirsutism, and deepening of the voice
Term
diabetes mellitus
Definition
metabolic disorder caused by an abnormal utilization of insulin secreted by the pancreas; evidenced by hyperglycemia and glucosuria
Term
insulin
Definition
hormone secreted by the beta cells of the islets of Langerhans of the pancreas responsible for regulating the metabolism of glucose
Term
Type 1 DM
Definition
diabetes in which there is no beta cell production of insulin- the patient is dependent on insulin for survival
Term
type 2 DM
Definition
diabetes in which the body produces insulin, but not enough, or there is insulin resistance (a defective use of the insulin that is produced)- patient not dependent on insulin for survival
Term
hyperinsulinism
Definition
condition resulting from an excessive amount of insulin in the blood that draws sugar out of the bloodstream, resulting in hypoglycemia, fainting, and convulsions; often caused by an overdose of insulin or by a tumor of the pancreas
Term
pancreatitis
Definition
inflammation of the pancreas
Term
hyperparathyroidism
Definition
hypersecretion of the parathyroid glands, usually caused by a tumor
Term
hypoparathyroidism
Definition
hyposecretion of the parathyroid glands
Term
pituitary gland (hypophysis)
Definition
considered the master gland because it secretes hormones that regulate the function of other glands, such as the thyroid gland, adrenal glands, ovaries, and testicles
Term
acromegaly
Definition
disease characterized by enlarged features, especially the face and hands, caused by hypersecretion of the pituitary hormone after puberty, when normal bone growth has stopped; most often caused by a pituitary tumor
Term
diabetes insipidus
Definition
condition of abnormal increase in urine output most commonly caused by inadequate secretion of pituitary antidiuretic hormone (vasopressin); symptoms include polyuria and polydipsia; urine appears colorless due to the inability of the kidneys to concentrate urine
Term
pituitary dwarfism
Definition
condition of congenital hyposecretion of growth hormone showing growth and causing a short yet proportionate stature (not affecting intelligence)- often treated during childhood with growth hormone
Term
pituitary gigantism
Definition
condition of hypersecretion of growth hormone during childhood bone development that leads to an abnormal overgrowth of bone, especially of the long bones; most often caused by pituitary tumor
Term
goiter
Definition
enlargement of the thyroid gland caused by thyroid dysfunction, tumor, lack of iodine in the diet, or inflammation
Term
hyperthyroidism/Grave's disease/thyrotoxicosis
Definition
condition of hypersecretion of the thyroid gland characterized by exophthalmia, tachycardia, goiter, and tumor
Term
hypothyroidism
Definition
condition of hyposecretion of the thyroid gland causing low thyroid levels in the blood that result in sluggishness, slow pulse, and often obesity
Term
myxedema
Definition
advanced hypothyroidism in adults characterized by sluggishness, slow pulse, puffiness in the hands and face, and dry skin
Term
cretinism
Definition
condition of congenital hypothyroidism in children that results in a lack of mental development and dwarfed physical stature; the thyroid gland is either congenitally absent or imperfectly developed
Term
blood sugar/blood glucose
Definition
measurement of the level of sugar (glucose) in the blood
Term
fasting blood sugar
Definition
measurement of blood sugar level after a fast of 12 hours
Term
postprandial blood sugar
Definition
measurement of blood sugar level after a meal, commonly after 2 hours
Term
glucose tolerance test
Definition
measurement of the body's ability to metabolize carbohydrates by administering a prescribed amount of glucose after a fasting period, then measuring blood and urine for glucose levels every hour thereafter- usually for 4 to 6 hours
Term
glycohemoglobin
Definition
molecule (fraction) in hemoglobin that rises in the blood as a result of an increased level of blood sugar; it is a common blood test used in diagnosing and treating diabetes, aka glycosylated hemoglobin
Term
electrolytes
Definition
measurement of the level of specific ions in the blood; electrolyte balance is essential for normal metabolism
Term
thyroid function study
Definition
measurement of thyroid hormone levels in the blood plasma to determine efficiency of glandular secretions, including T3, T4, and TSH
Term
urine sugar and ketone studies
Definition
chemical testing to determine the presence of sugar or ketone bodies in the urine; used as a screen for diabetes
Term
thyroid uptake and image
Definition
nuclear image involving scan of the thyroid to visualize the radioactive accumulation of previously ingested isotopes to detect thyroid nodules or tumors
Term
adrenalectomy
Definition
excision of adrenal gland
Term
hypophysectomy
Definition
excision of pituitary gland
Term
pancreatectomy
Definition
excision of pancreas
Term
parathyroidectomy
Definition
excision of parathyroid gland
Term
thymectomy
Definition
excision of thymus gland
Term
thyroidectomy
Definition
excision of thyroid gland
Term
continuous subcutaneous insulin infusion/insulin pump therapy
Definition
use of an insulin-delivery device worn on the body (usually the abdomen) that subcutaneously infuses doses of insulin programmed according to the individual needs of the diabetic patient
Term
radioiodine therapy
Definition
use of radioactive iodine to treat disease, such as to eradicate thyroid tumor cells
Term
antihypoglycemic
Definition
drugs that raise blood sugar
Term
antithyroid drug
Definition
agent that blocks the production of thyroid hormones; used to treat hyperthyroidism
Term
hormone replacement therapy
Definition
drug that replaces a hormone deficiency
Term
hypoglycemic/antihyperglycemic
Definition
drug that lowers blood glucose
Term
ACTH
Definition
adrenocorticotropic hormone
Term
ADH
Definition
antidiuretic hormone
Term
BS
Definition
blood sugar
Term
CSII
Definition
continuous subcutaneous insulin infusion
Term
DKA
Definition
diabetic ketoacidosis
Term
DM
Definition
diabetes mellitus
Term
FBS
Definition
fasting blood sugar
Term
FSH
Definition
follicle-stimulating hormone
Term
GH
Definition
growth hormone
Term
GTT
Definition
glucose tolerance test
Term
LH
Definition
luteinizing hormone
Term
MSH
Definition
melanocyte-stimulating hormone
Term
PPBS
Definition
postprandial blood sugar
Term
PTH
Definition
parathyroid hormone
Term
T3
Definition
triiodothyronine
Term
T4
Definition
thyroxine
Term
TSH
Definition
thyroid stimulating hormone
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