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Chapter 17- Hormones
Endocrine System
Question | Answer |
---|---|
Components of feedback loop | Receptor, control center, effector |
Define- Paracrine | Communication from cell to cell within a single tissue |
Simple reflex | Direct response, one hormone |
Complex reflex | 2+ hormones |
Hormone(s) of pineal gland | Melatonin |
Hormone(s) of parathyroid gland | Parathyroid hormone |
Hormone(s) of thyroid gland | T3, T4, Calcitonin |
Exocrine glands | secrete products onto epithelial surface through a duct |
Endocrine glands | release hormones into blood or lymph. |
Gland triggers | humoral (blood) hormonal (hormone) neural (neurotransmitter) |
Define hormone | A compound that is secreted by one cell and travels through the circulatory system to affect the activity (function, metabolism, growth, etc.) of cells in another part of the body |
Hormone classification | Steroid/Lipid based and peptide (amino acid) based. |
Steroid hormones | Released from reproductive organs, adrenal glands (corticosteroids) and kidneys (calcitriol) |
Prostaglandins | hormone-like lipids, not produced by endocrine glands; act locally instead of being transported |
Freely circulating hormones are... | ...faster and with short term effects. |
Hormones bound to transport proteins or binding proteins are... | ...slower and with longer lasting effects. |