Term
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Definition
| is a condition in which there is an inadequate amount of circulating thyroid hormones triiodothyronine(T3) and thyroxine (T4), causing a decrease in metabolic rate that affects all body systems. |
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Term
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Definition
| most common caused by disease or loss of the thryroid gland (iodine deficiency, surgical removal of the gland). |
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Term
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Definition
| caused by failure of the anterior pituitary gland to stimulate the thyroid gland or failure of the target tissues to respond to the thyroid hormones (pituitary tumors). |
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Term
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Definition
| caused by failure of hypothalamus to produce thyroid-releasing factor. |
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Term
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Definition
| a clinical syndrome caused by excessive circulating thyroid hormones. |
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Term
Thyroid Storm
a.k.a. Thyrotoxic crisis |
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Definition
| a result from a sudden surge of large amounts of thyroid hormones into the blood stream, causing an even greater increase in body metabolism. This is a medical emergency with a high mortality rate. |
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Term
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Definition
| is characterized by adrenal glands hyperfunctioning and an excess production of the glucocorticoid cortisol. |
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Term
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Definition
| an adrenocortical insufficiency casued by damage or dysfunction of the adrenal cortex. |
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Term
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Definition
Aldosterone
increases sodium absorption, causes potassium excretion in the kidney |
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Term
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Definition
Cortisol
affects glucose, protein, and fat metabolism, the body's response to the stress, and the body's immune function |
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Term
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Definition
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Term
Adrenal crisis
a.k.a. acute adrenal insufficiency |
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Definition
| rapid onset; it is a medical emergency. |
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Term
Adenohypophysis
anterior pituitary gland |
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Definition
| controls growth, metabolic ativity, and sexual development through the actions of these hormones: growth hormone, thyrotropin, corticotropin, follicle-stimulating hormone, luteinizing hormone, melanocyte-stimulating hormone, prolactin |
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Term
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Definition
a deficiency of one or more anterior pituitary ormones, resulting in metabolic problems and sexual dysfunction.
if only one hormone is affected, the condition is known as selective hypopituitarism |
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Term
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Definition
| decreased production of all of the anterior pituitary hormones; an extremely rare condition |
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Term
Deficiency of the gonadotropins
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Definition
| changes sexual function in both men and women |
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Term
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Definition
| absence of menstrual periods |
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Term
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Definition
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Term
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Definition
| difficulty becoming pregnant |
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Term
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Definition
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Term
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Definition
| presence of male secondary sex characteristics |
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Term
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Definition
| the development of breast tissue in men |
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Term
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Definition
pituitary tumors or hyperplasia (tissue overgrowth)
Tumors occur most often in the anterior pituitary |
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Term
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Definition
| elevated blood glucose levels |
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Term
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Definition
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Term
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Definition
| surgical removal of the pituitary gland and tumor |
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Term
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Definition
| excessive water loss through urination |
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Term
| syndrome of inappropriate antidiuretic hormone (SIADH) |
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Definition
| a problem in which vasopresin is secreted even when plasma osmolarity is low or normal. |
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Term
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Definition
| a decreased serum sodium level |
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Term
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Definition
| adrenocortical insufficiency |
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Term
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Definition
| making glucose from proteins |
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Term
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Definition
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Term
| acute adrenal insufficiency/addisonian crisis |
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Definition
| a life threatening event in which the need for cortisol and aldosteron is greater than the available supply. It occurs in response to a stressful event. |
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Term
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Definition
| elevated blood levels of potassium |
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Term
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Definition
| Hypersecretion by the adrenal cortex |
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Term
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Definition
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Term
| pituitary cushing's disease |
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Definition
| hyperplasia of the adrenal cortex in both adrenal glands and an excess of most hormones secreted by the adrenal cortex |
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Term
| adrenal cushing's disease |
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Definition
| the excess glucocorticoids are caused by a problem in the actual adrenal cortex, usually a benign tumor |
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