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Lab 21st
Endocrine System
| Question | Answer |
|---|---|
| Endocrine system | maintain homeostasis |
| Infundibulum | a stem that connects pituitary gland & hypothalamus |
| Parathyroid Hormone (PTH) | increase Ca++ (bone& kidney resorption; Vit D activation) |
| Thyroid gland hormones | T3/T4 & Calcitonin |
| T3/T4 | + BMR; help regulate body metabolism |
| T3/T4 | supports growth and nervous system development |
| Calcitonin | lower Ca++ (inhibit osteoclasts) |
| Zona globerulosa | Glucocorticoids |
| Glucocorticoids | Cortisol |
| Cortisol | regulate metabolism, stress responsible, & inflammation |
| Cortisol | +BMR; help regulate body metabolism |
| Zona Fasciculata | Mineralocorticoids |
| Mineralocorticoids | Aldosterone |
| Aldosterone | regulate Na+ and K+ balance & BP |
| Zone Reticularis | Androgens |
| Androgens | contribute to sex characteristics, part of Adrenal cortex |
| Adrenal cortex | Zone glomerulosa, Fasciculata, & Reticularis |
| Adrenal Medulla | release Cathocholamines (Epinephrine & Norepinephrine) |
| Adrenal Medulla | Neural Stimuli: Fight/Flight response |
| Cathocholamines | + HR, BP, & BG |
| Pancreas | part of Endocrine & Digestive System |
| Pancreas | Insulin & Glucagon |
| Insulin | lower BG (+ cellular uptake) |
| Glucagon | + BG (glycogen breakdown) |
| Posterior Pituitary Gland | neural tissue (axon > cells) |
| Anterior Pituitary Gland | glandular tissue (dense of cells) |
| Posterior Pituitary Gland | house oxytocin and antidiuretic hormone (ADH) |
| Hypothalamus | produce oxytocin & ADH |
| Oxytocin | + feedback loop; stimulate labor contractions |
| Antidiuretic Hormone (ADH) | water resorption in kidneys |
| Anterior Pituitarity Hormones | GH, TSH, ATCH, FSH, LH, & Prolactin |
| Growth Hormone | hormonal gland; tissue growth, protein synthesis, & cell division |
| Adrenocorticotropic hormone (ATCH) | hormonal gland; stimulate adrenal cortex to release cortisol |
| Follicle-stimulating hormone (FSH) | hormonal gland; gamete production |
| Luteinizing Hormone | hormonal gland; trigger ovulation |
| Prolactin | milk production |
| Estrogen & Testosterone | development of reproductive system and secondary sex characteristics |
| Progesterone | prepare and maintains uterus for pregnancy |
| Thymus hormones | thymosin |
| thymosin | promote maturation of T lymphocytes (immune function) |
| Melatonin | Pineal gland hormone |
| Melatonin | regulate circadian rhythm & sleep-wake cycle |
Created by:
FuirzH