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A&P endocrine system
Lpn fall 2008
| Question | Answer |
|---|---|
| Posterior pituitary gland | 2 hormones released (Antidiuretic hormone ADH & Oxytocin) |
| ADH(antidiuretic hormone) | Increase h2o absorption from kidney raise B/P. |
| Oxytocin | Stimulates contraction of pregnant uterus &release of breast milk after childbirth. |
| Anterior Pituitary | 6 hormones released, (GH), Prolactin, (TSH), (ACTH), (LH), & (FSH). |
| (AP)-Somatotropin(GH) | stimulates bone & muscle growth, promotes protein synthesis & fat mobilization. |
| (AP)-Prolactin | Promotes production & secretion of milk after childbirth. |
| (AP)-Thyroid-stimulating hormone(TSH) | Stimulates production & secretion off thyroid hormones. |
| (AP)-Adrenocorticotropic hormone(ACTH) | stimulates adrenal cortex to secrete cortisol & other steroids. |
| (AP)-Luteinizing hormone(LH-females) & Interstitial cell-stimulating hormone (ICSH-males) | Initiates ovulation & secretion off sex hormones in both genders. |
| (AP)-Follicle-stimulation hormone(FSH) | Stimulates development of ovum in ovaries & sperm in testes. |
| Thyroid | 2 hormones released (thyroxine or T4 & triodothyronine or T3)& Calcitonin. |
| (T)Thyroxine(t4)& triodothyronine(t3) | Increase o2 consumption & heat production, stimulates, increases, & maintains metabolic processes. |
| (T)Calcitonin | Inhibits calcium release from bone, thus lowering blood calcium levels. |
| Parathyroids | Parathyroid hormone(PTH |
| Parathyroid hormone(PTH) | Increase blood calcium by stimulating calcium release from bone, decreases blood phosphate level. |
| Thymus | Stimulates T-cell development in thymus & maintenance in other lymph tissue, involved in some B cells developing into antibody producing plasma cells. |
| Pineal gland | Melatonin |
| Melatonin | involved in circadian rhythms, antigonadotropic effect, exposure to light decreases release. |
| Adrenal Medulla | 2 hormones Epinephrine(adrenaline) & Norepinephrine. |
| (AM)Epinephrine(adrenaline) | constricts bld vessels in skin, kidneys, & gut, increases bld supply to heart, brain & skeletal muscles leads to increased HR & B/P, stimulates smooth muscle contraction raises bld glucose levels. |
| (AM)Norepinephrine | constricts bld vessels, increases HR & contraction of cardiac muscles, increases metabolic rate. |
| Adrenal cortex | 3 S hormones-corticosteroids(glucocorticoids-sugar), Mineralcorticoids(aldosterone-salt), Gonadocorticoids(androgens male sex hormones). |
| (AC) corticosteroids(glucocorticoids-sugar) | Regulates bld glucose by affecting carb metabolism, affects growth, decreases effects of stress & anti-inflammatory agents. |
| (AC) Mineralcorticoids(aldosterone-salt) | Regulates sodium, h2o & potassium excretion by the kidney. |
| (AC) Gonadocorticoids(androgens male sex hormones) | Contribute to secondary sex characteristics particularly after menopause. |
| Pancreas | 2 hormones, Insulin & glucagon. |
| (P)Insulin | Lowers bld sugar, increases glycogen storage in liver, stimulates protein synthesis. |
| (P)Glucagon | Stimulates glycogen breakdown in liver, increases bs(glucose) concentration. |
| Ovary follicle-estrogens | Develop & maintain female sex organs & characteristics, initiates building of uterine lining. |
| Ovary(corpus luteum) | Progesterone & estrogens. |
| Progesterone& estrogens | Influences breast development & menstrual cycles, promotes growth & differentiation of uterine lining, maintains pregnancy. |
| Testes(androgens-testosterone) | Develop & maintain males sex organs & characteristics aid sperm production. |
Created by:
posiniv
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