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chemical substances that are discharged into the bloodstream and used in other parts of the body
two ways endocrine glands release hormones
1) hormones are released in response to the nervous system
2) pituitary produces hormones that act on endocrine glands, which then produce hormones
also called gonadtropins; produced by the pituitary gland and act on the gonads
loacated at the front of the neck, consists of bilateral lobes that are connected by a narrow strip of tissue
located near the thyroid, actuallly embedded in the posterior surface of the thyroid
list the endocrine glands
pancreas, pineal, pituitary (hypophysis), thyroid, parathyroid, adrenal, ovaries, testes
synthesizes antidiuretic hormone and other hormones; controls secretion by the pituitary
hormone of the pituitary; stimulation of body growth, and maintenance of size once growth is obtained
potent stimulator of the "fight or flight" response, increasing blood pressure and cardiac output
epinephrine (also known as adrenaline)
during menstrual cycle, acts on female genitalia to produce suitable site for fertilization, implantation, and nutrition of the early embryo
insufficient secrection (hyposecretion) or improper use of this hormone leads to diabetes mellitus
physical indications of endocrine disorders
unusually tall or short stature, coarsening of facial features, edema, hair loss, excessive facial hair in women
disorder associated with a deficiency of antidiuretic hormone (ADH), or inability of the kidneys to resond to ADH
well-known type of diabetes that produces hyperglycemia and is associated with insufficient or improper use of insulin
Type 1 diabetes mellitus
characterized by abrupt onset of symptoms and a dependence on insulin injections to sustain life
Type 2 diabetes mellitus
characterized by a gradual onset; dietary control, sometimes combined with oral hypoglycemic medications, may be effective in regulating the disorder
disorder in which there is abnormal enlargement of the extremities of the skeleton (nose, jaws, fingers, and toes) caused by hypersecretion of growth hormone after maturity
condition caused by cogenital deficiency of thyroid secretion and marked by arrested physical and mental development
disease caused by hyposecretion of gowth hormone during childhood; it causes a person to be much smaller than normal size
condition in which a person reaches an abnormal stature; it results from hypersecretion of growth hormone during childhood
condition resulting from hypofunction of the thyroid gland, characterized by a dry, waxy swelling of the skin
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