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Chapter 11: Endocrine System
Medical Terminology: A Living Language
171
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07/05/2012

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Term
acr/o
Definition
extremities
Term
aden/o
Definition
gland
Term
adren/o
Definition
adrenal glands
Term
adrenal/o
Definition
adrenal glands
Term
andr/o
Definition
male
Term
calc/o
Definition
calcium
Term
crin/o
Definition
secrete
Term
estr/o
Definition
female
Term
glyc/o
Definition
sugar
Term
glycos/o
Definition
sugar
Term
gonad/o
Definition
sex glands
Term
home/o
Definition
sameness
Term
kal/i
Definition
potassium
Term
natr/o
Definition
sodium
Term
ophthalm/o
Definition
eye
Term
pancreat/o
Definition
pancreas
Term
parathyroid/o
Definition
parathyroid gland
Term
pineal/o
Definition
pineal gland
Term
pituitar/o
Definition
pituitary gland
Term
somat/o
Definition
body
Term
thym/o
Definition
thymus gland
Term
thyr/o
Definition
thyroid gland
Term
thyroid/o
Definition
thyroid gland
Term
tox/o
Definition
poison
Term
-crine
Definition
to secrete
Term
-dipsia
Definition
thirst
Term
-emia
Definition
blood condition
Term
-tropin
Definition
stimulate
Term
-uria
Definition
urine condition
Term
cortisol
Definition
regulates carbohydrate levels in the body
Term
aldosterone
Definition
regulates electrolytes and fluid volume in body
Term
androgen, estrogen, progesterone
Definition
responsible for reproduction and secondary sexual characteristics
Term
epinephrine (adrenaline)
Definition
intensifies response during stress; fight or flight response
Term
norepinephrine
Definition
chiefly a vasoconstrictor
Term
estrogen
Definition
stimulates development of secondary sex characteristics in females; regulates menstrual cycle
Term
progesterone
Definition
prepares for conditions of pregnancy
Term
glucagon
Definition
stimulates liver to release glucose into the blood
Term
insulin
Definition
regulates and promotes entry of glucose into cells
Term
parathyroid hormone
Definition
stimulates bone breakdown; regulates calcium level in the blood
Term
adrenocorticotropic 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 (TSH)
Definition
regulates function of thyroid gland
Term
antidiuretic hormone (ADH)
Definition
stimulates reabsorption of water by the kidneys
Term
oxytocin
Definition
stimulates uterine contractions and releases milk into ducts
Term
testosterone
Definition
promotes sperm production and development of secondary sex characteristics in males
Term
thymosin
Definition
promotes development of cells in immune system
Term
calcitonin
Definition
stimulates deposition of calcium into bone
Term
thyroxine (T4)
Definition
stimulates metabolism in cells
Term
triiodothyronine (T3)
Definition
stimulates metabolism in cells
Term
adenoma
Definition
gland tumor
Term
adrenomegaly
Definition
enlarged adrenal gland
Term
adrenopathy
Definition
adrenal gland disease
Term
adrenalectomy
Definition
excision of adrenal glands
Term
adrenalitis
Definition
inflammation of the adrenal gland
Term
androgen
Definition
male forming
Term
hypercalcemia
Definition
excessive calcium in the blood
Term
hypocalcemia
Definition
low calcium in the blood
Term
endocrinologist
Definition
specialist in the endocrine system
Term
endocrinology
Definition
study of the endocrine system
Term
endocrinopathy
Definition
endocrine system disease
Term
estrogen
Definition
female forming
Term
hyperglycemia
Definition
excessive sugar in the blood
Term
hypoglycemia
Definition
low sugar in the blood
Term
hyperkalemia
Definition
excessive potassium in the blood
Term
hyponatremia
Definition
low sodium in the blood
Term
parathyroidectomy
Definition
excision of the parathyroid gland
Term
parathyroidoma
Definition
parathyroid gland tumor
Term
thyromegaly
Definition
enlarged thyroid
Term
thyrotoxicosis
Definition
abnormal condition of poisoning by the thyroid
Term
thyroidectomy
Definition
excision of the thyroid
Term
euthyroid
Definition
normal thyroid
Term
hyperthyroidism
Definition
state of excessive thyroid
Term
hypothyroidism
Definition
state of low thyroid
Term
thyroidotomy
Definition
incision into thyroid gland
Term
polydipsia
Definition
many (excessive) thirst
Term
polyuria
Definition
condition of (too) much urine
Term
glycosuria
Definition
sugar in the urine
Term
edema
Definition
condition in which the body tissues contain excessive amounts of fluid
Term
exophthalmos
Definition
condition in which the eyeballs protrude, such as in Graves' disease; this is generally caused by an overproduction of thyroid hormone
Term
gynecomastia
Definition
the development of breast tissue in males; may be a symptom of adrenal feminization
Term
hirsutism
Definition
condition of having an excessive amount of hair; term generally used to describe females who have the adult male pattern of hair growth; can be the result of a hormonal imbalance
Term
hypersecretion
Definition
excessive hormone production by an endocrine gland
Term
hyposecretion
Definition
deficient hormone production by an endocrine gland
Term
metabolism
Definition
sum of all chemical and physical changes that take place in the body
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
acidosis
Definition
excessive acidity of body fluids due to the accumulation of acids, as in diabetic --
Term
acromegaly
Definition
chronic disease of adults that results in an elongation and enlargement of the bones of the head and extremities; there can also be mood changes; due to an excessive amount of growth hormone in adult
Term
Addison's disease
Definition
disease that results from a deficiency in adrenocortical hormones; there may be an increased pigmentation of the skin, generalized weakness, and weight loss
Term
adenocarcinoma
Definition
a cancerous tumor in a gland that is capable of producing the hormones secreted by that gland; one cause of hypersecretion pathologies
Term
adrenal feminization
Definition
development of female secondary sexual characteristics (such as breasts) in a male; often as a result of increased estrogen secretion by the adrenal cortex
Term
adrenal virilism
Definition
development of male secondary sexual characteristics (such as deeper voice and facial hair) in a female; often as a result of increased androgen secretion by the adrenal cortex
Term
cretinism
Definition
congenital condition in which a lack of thyroid may result in arrested physical and mental development
Term
Cushing's syndrome
Definition
set of symptoms that result from hypersecretion of the adrenal cortex; this may be the result of a tumor of the adrenal glands; the syndrome may present symptoms of weakness, edema, excess hair growth, skin discoloration, and osteoporosis
Term
diabetes insipidus (DI)
Definition
disorder caused by the inadequate secretion of a hormone by the posterior lobe of the pituitary gland; there may be polyuria and polydipsia; this is more common in the young
Term
diabetes mellitus (DM)
Definition
chronic disorder of carbohydrate metabolism that results in hyperglycemia and glycosuria; there are two distinct forms: IDDM or type I, and NIDDM or type II
Term
diabetic retinopathy
Definition
secondary complication of diabetes that affects the blood vessels of the retina, resulting in visual changes and even blindness
Term
dwarfism
Definition
condition of being abnormally short in height; it may be the 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; the opposite of dwarfism
Term
goiter
Definition
enlargement of the thyroid gland
Term
Graves' disease or hyperthyroidism
Definition
condition that results in overactivity of the thyroid gland and can cause a crisis situation
Term
Hashimoto's disease
Definition
chronic form of thyroiditis
Term
hypothyroidism
Definition
result of a deficiency in secretion by the thyroid gland; this results in a lowered basal metabolism rate with obesity, dry skin, slow pulse, low blood pressure, sluggishness, and goiter; treatment is replacement with synthetic thyroid hormone
Term
insulin-dependent diabetes mellitus
Definition
also called type 1; it develops early in life when the pancreas stops insulin production; person with this must take daily insulin injections
Term
insulinoma
Definition
tumor of the islets of Langerhans cells of the pancreas that secretes an excessive amount of insulin
Term
ketoacidosis or diabetic acidosis
Definition
acidosis due to an excess of acidic ketone bodies (waste products); a serious condition requiring immediate treatment that can result in death for the diabetic patient if not reversed.
Term
myxedema
Definition
condition resulting from a hypofunction of the thyroid gland; symptoms can include anemia, slow speech, enlarged tongue and facial features, edematous skin, drowsiness, and mental apathy
Term
non-insulin-dependent diabetes mellitus
Definition
also called type 2; it develops later in life when the pancreas produces insufficient insulin; persons may take oral hypoglycemics to stimulate insulin secretion, or may eventually have to take insulin
Term
panhypopituitarinism
Definition
deficiency in all the hormones secreted by the pituitary gland; often recognized because of problems with thte glands regulated by the pituitary-adrenal cortex, thyroid, ovaries, and testes
Term
peripheral neuropathy
Definition
damage to the nerves in the lower legs and hands as a result of diabetes mellitus; symptoms include either extreme sensitivity or numbness and tingling
Term
pheochromocytoma
Definition
usually benign tumor of the adrenal medulla that secretes epinephrine; symptoms include anxiety, heart palpitations, dyspnea, profuse sweating, headache, and nausea
Term
tetany
Definition
painful muscle cramps that result from hypocalcemia
Term
thyrotoxicosis
Definition
condition that results from overproduction of the thyroid gland; symptoms include a rapid heart action, tremors, enlarged thyroid gland, exophthalmos and weight loss
Term
von Recklinghausen's
Definition
excessive production of parathyroid hormone, which results in degeneration of the bones
Term
basal metabolic rate (BMR)
Definition
somewhat outdated test to measure the energy used when the body is in a state of rest
Term
blood serum test
Definition
blood test to measure the level of substances such as calcium, electrolytes, testosterone, insulin, and glucose; used to assist in determining 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 (GTT)
Definition
test to determine the blood sugar level; a measured dose of glucose is given to a patient either orally or intravenously; blood samples are then drawn at certain intervals to determine the ability of the patient to use glucose; used for diabetic patients to determine their insulin response to glucose
Term
radioactive iodine uptake test (RAIU)
Definition
test in which radioactive iodine is taken orally (PO) or intravenously (IV); the amount that is eventually taken into the thyroid gland (the uptake) is measured to assist in determining thyroid function
Term
radioimmunoassay (RIA)
Definition
test used to measure the levels of hormones in the plasma of the blood
Term
serum glucose tests
Definition
blood test performed to assist in determining insulin levels and useful for adjusting medication dosage
Term
thyroid echogram
Definition
ultrasound examination of the thyroid that can assist in distinguishing a thyroid nodule from a cyst
Term
thyroid function test (TFT)
Definition
blood test used to measure the levels of T3, T4, and TSH in the bloodstream to assist in determining thyroid function
Term
thyroid scan
Definition
test in which a radioactive iodine is administered that localizes in the thyroid gland; the gland can then be visualized with a scanning device to detect pathology such as tumors
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; the patient eats a high carbohydrate diet and fasts overnight before the test; a blood sample is then taken 2 hours after a meal
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
laparoscopic adrenalectomy
Definition
excision of the adrenal gland through a small incision in the abdomen and using endoscopic instruments
Term
lobectomy
Definition
excision of only one lobe of the thyroid gland
Term
parathyroidectomy
Definition
excision of one or more of the parathyroid glands; this is performed to halt the progress of hyperparathyroidism
Term
thymectomy
Definition
removal of the thymus gland
Term
thyroidectomy
Definition
removal of the entire thyroid or a portion (partial --) to treat a variety of conditions, including nodes, cancer, and hyperthyroidism
Term
thyroparathyroidectomy
Definition
surgical removal (excision) of the thyroid and parathyroid glands
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; therefore they are used to treat severe chronic inflammatory diseases such as rheumtoid arthritis; long-term use of corticosteroids has adverse side effects such as osteoporosis and the symptoms of Cushing's disease
Term
epinephrine
Definition
as a medication, epinephrine is used to constrict blood vessels and block severe allergic reactions
Term
human growth hormone therapy
Definition
therapy with human growth hormone in order to stimulate skeletal growth; used to treat children with abnormally short stature
Term
insulin
Definition
administered to replace insulin for type 1 diabetics or to treat severe type 2 diabetics
Term
oral hypoglycemic agents
Definition
medications taken by mouth that cause a decrease in blood sugar; this is not used for insulin-dependent patients; there is no proof that this medication will prevent the agent long-term complications of diabetes mellitus
Term
thyroid replacement hormone
Definition
given to replace thyroid in 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
Term
ACTH
Definition
adrenocorticotropic hormone
Term
ADH
Definition
antidiuretic hormone
Term
BMR
Definition
basal metabolic rate
Term
DI
Definition
diabetes insipidus
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
IDDM
Definition
insulin-dependent diabetes mellitus
Term
K+
Definition
potassium
Term
LH
Definition
luteinizing hormone
Term
MSH
Definition
melanocyte-stimulating hormone
Term
Na+
Definition
sodium
Term
NIDDM
Definition
non-insulin-dependent diabetes mellitus
Term
NPH
Definition
neutral protamine Hagedorn (insulin)
Term
PBI
Definition
protein-bound iodine
Term
PRL
Definition
prolactin
Term
PTH
Definition
parathyroid hormone
Term
RAI
Definition
radioactive iodine
Term
RAIU
Definition
radioactive iodine uptake
Term
RIA
Definition
radioimmunoassay
Term
T3
Definition
triiodothyronine
Term
T4
Definition
thyroxine
Term
T7
Definition
free thyroxine index
Term
TFT
Definition
thyroid function test
Term
TSH
Definition
thyroid-stimulating hormone
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