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Biological psy

Cushing's syndrome a long-term excess of glucocorticiods, many symptoms: depression, fatigue, hirsutism, various autonomic symptoms, and psychosis
Islets of Langerhans are clusters of cells through out the pancreas that secrete hormones directly into the bloodstream- hormones secreted include insulin and glucagon
Melatonin is an amine hormone released by the pineal, plays a role in biological rythms, especially the timing of sleep onset
Pineal gland sits atop the brainstem and in mammals is overlaid by the cerebral hemispheres. It is a signal structure
Gonadotopin-inhibiting hormone hypothalamic peptide that inhibits gonadotropins
Ovaries paired female gonads
Estrogen and Progestin two major classes of steroid hormones that the ovary produce
Testes are sperm producing sertoli cells and leydig cells, which produce and secrete the sex steroid testosterone and androgens
Gonads consis of two different subcompartments-one to produce hormones and another to produce gametes
cretinism-congenital hypothyroidism thyroid deficiency early in life can cause marded reduction in brain size and branching of axons and dentrites
goiter thyroid hormones are dependent on the supply of iodine-hyperthyroidism-driven by higher and higher TSH levels. the thyroid gland swells in its attempt to produce more thyroid hormones
Thyrotropin-releasing hormone TRH stimilates the release of TSH form the pituitary
thyroid gland gland that produces and secretes several hormones, two are, thyroxine and triiodothyronine
Androstenedione contributes to the adultpattern of body hair in men and women
Mineralocorticoids have effects on minerals such as sodium and potassium.
Aldosterone the primary mineralocorticiod, acts on the kidneys to retain sodium and thus reduces and amount of urine produced, conserving water.
Cortisol increases the level of blood glucose and accelerate the breakdown of carbohydrates, including glucose.
Adrenocorticoids a variety of steroid hormones that are produced and secreted from the adrenal cortex
Glucocorticoids hormones that have effects on the metabolism of carbohydrates, including glucose
Epinephrine & Norephinephrine released by the adrenal medulla, amine hormones that are under the control of the sympathetic nervous system
Adrenal Medulla 20% of the adrenal gland, really a protion of the sympathetic nervous system because it is richly supplied with autononmic nerves
Adrenal Cortex 80% of the adrenal gland, is composed of distinct layers of cells, each producing different steroid hormones
Adrenal Gland rests on top of each kidney, it secretes a large variety of hormones in mammals, it is divided into two major portions
Prolactin it stimulates lactation in female mammals. has a number of roles in addition to its actions on breast tissue. it is closely involved in teh parental behavior of a wide variety of vertebrate species
Milk letdown reflex triggered by oxytocin, the contraction of mammary gland cells that ejects mild into the breast ducts-exemplifies the relationship between behavioral and hormone release
Posterior pituitary gland secretes two principal hormones, oxytocin and arginine vasopressin
Created by: katie.desmul