Endocrine Organ & Hormone Review

NURS 106 - Endocrine Organ & Hormone Review Endocrine Organ Hypothalamus Hormone(s) Stimulus Function endocrine cells the anterior Anterior Pituitary (aka adenohypophysis) Thyroid Stimulating Hormone (TSH) TRH from Adrenocorticotropic Hormone (ACTH) CRH from Growth Hormone (GH) Prolactin (PRL) Follicle Stimulating Hormone (FSH) Luteinizing Hormone (LH) activity controls the Regulatory Hormones hypothalamus hypothalamus Note: GHIH and GHRH from hypothalamus Note: PIH and PRH from hypothalamus GnRH from hypothalamus GnRH from hypothalamus the targets of in pituitary thyroid gland and the release thyroid Additional Info metabolism and cortisol stimulates cell rate of growth and increasing the the zona Ty and Ty gland milk production, fasciculata and glomerulosa causes liver to release somatomedins protein synthesis mammary of hormones glucose division by Secretion of stimulates the release of steroid hormones in the adrenal cortex that affect Produces ADH & Oxytocin to send to Posterior Pituitary (IGF's) development , regulates androgen production , promotes follicle development estrogen sperm maturation secretes , ovulation estrogen , progesterone androgens (testosterone) , , Melanocytestimulating Hormone (MSH) m Posterior Pituitary (aka neurohypophysis) Antidiuretic Hormone (ADH) low water sensed by concentration osmoreceptors by : body burine production all of this causes in an increase BP too ↓ sweating ↑ vasoconstriction stimulates Smooth muscle Oxytocin (OXT) Thyroid Gland preserves water in the T4 (Thyroxine) T3 in ovaries and male sperm duct contraction Tslt from anterior lobe TSH from anterior lobe Produced by follicular cells Produced by follicular cells NURS 106 - Endocrine Organ & Hormone Review Calcitonin calcium too much blood calcium regulation : , Stimulates Caltexcretion by Kidneys and prevent absorption of Ca2+ Produced by clear cells (c cells) - from Parathyroid Glands Parathyroid Hormone Adrenal Cortex Mineralocorticoids (Example: Aldosterone) Glucocorticoids (Example: cortisol) Androgens (Example: DHEA) Adrenal Medulla digestive tract Calt absorption by Kidneys and stimulation of increase too little blood stimulated by calcium , osteoclasts to release [a2 + angiotensin 2 , ↓ BP targets Kidneys to reabsorb Nat and excrete Kt , increased or ↑k+ effect RAAS is present ↓ Nat ACTH from anterior pituitary and increases glucose synthesis glycogen formation , release of amino acids and lipids anti, inflammatory ACTH from anterior pituitary development of secondary Sex characteristics (puber+y] Epinephrine continuous release increase cardiac output and raise glucose levels Norepinephrine continuous release , dilating pupils and bronchioles HR constricting blood vessels etc. , nighttime (dark light) Pineal Gland Melatonin Pancreas Insulin too much Glucagon too little blood blood glucose glucose circadian rhythm (sleep) ↓ blood and ↑ glucose by increasing uptake glucose storage blood glucose by down of glycogen the liver increasing break and reuptake in produced by if ADH beta cells produced by alpha cells