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2 functions of the endocrine system are: communication & control
2 main types of hormones are: protein and steroids
Homeostasis is: maintaining a constant internal environment
Negative feedback: reverses a change in the body
Positive feedback: amplifies changes rather than reverse them
All endocrine glands are: ductless
Thyroid stimulating hormone TSH: acts on the thyroid gland and increases secretion in thyroid gland
Adrenocorticotropic hormone ACH: adrenal gland
Follicle stimulating hormone FSH: Stimulates follicle in ovary to grow & develop maturity in males
Luteinizing hormone LH: in conjuction with FSH to stimulate the follicle and causes ovulation
Melanocyte-stimulating hormone MSH: must secrete melanin to give skin color
Growth hormone GH: promotes normal growth
Prolactin PRI: promotes secretion after birth
ADH: aka vasopressin
T4 & T3 thyroxine & triihydrothyronine
Adrenal Cortex Hormones: mineralcorticoids & glucocorticoids
Adrenal Medulla Hormones: Epinephrine & Nonepenephrine
Pancreatic islets: glucagon & insulin
Female sex glands: a woman's primary sex glands are the paired ovaries
Male sex glands: Some of the cells of the male testes produce the male sex cells known as sperm.
Thymus gland: located in the mediastinum
Pineal gland: produces the hormone melatonin
Disorders of the endocrine sytem: acromegaly & exophthalmus
Created by: ruthalcala