Endocrine System VASTACCESS, INC. www.vastaccess.com 2 Endocrine System Endocrine Glands Hypophysis (Pituitary) Pineal Thyroid Parathyroid (4) Thymus Adrenal (Suprarenal )(2) Pancreas Ovary (2) Testis (2) VASTACCESS, INC. ALL RIGHTS RESERVED 3 Endocrine System Endocrine Tissues Hypothalamus Heart (Atria) Kidney (2) Gastrointestinal Tract Placenta Endocrine Function Endocrine Gland Hormonal Secretion Target Organ VASTACCESS, INC. ALL RIGHTS RESERVED 4 Endocrine System Pituitary Gland Adenohypophysis Pars Tuberalis Pars Distalis (Anterior Lobe) Pars Intermedius Neurohypophysis Median Eminence Infundibular Stem Pars Nervosa (Posterior Lobe) Hypothalamus VASTACCESS, INC. ALL RIGHTS RESERVED 5 Endocrine System Adenohypophysis Hypothalamic Secretory Neuron/Hormone Supraoptic Hypophyseal Artery Hypophyseal Portal System Capillary Portal Vein Sinusoid Secretory Cell/Hormones Inferior Hypophyseal Vein VASTACCESS, INC. ALL RIGHTS RESERVED 6 Endocrine System Pituitary Gland & Target Organs Pituitary Gland Hormones/Source Cell Pars Distalis Follicle-Stimulating (FSH)/Basophil Luthinizing (LH)/Basophil Thyroid Stimulating (TSH)/Basophil Adrenocorticotropic (ACTH)/Basophil Growth (GH)/Acidophil Prolactin/Acidophil Pars Nervosa Oxytocsin Antidiuretic VASTACCESS, INC. ALL RIGHTS RESERVED 7 Endocrine System Pituitary Gland & Target Organs Target Organ Hormones Estrogen Progesterone Testosterone Thyroxine Adrenal Cortical VASTACCESS, INC. ALL RIGHTS RESERVED 8 Endocrine System Thyroid & Parathyroid Glands Thyroid Thyroid Follicle Follicle Cell Colloid Thyroxin Parathyroid (4) Parathormone Related Structures Trachea Pharynx Esophagus Arteries Veins VASTACCESS, INC. ALL RIGHTS RESERVED 9 Endocrine System Adrenal (Suprarenal) Glands Adrenal Glands Capsule Cortex Zona Glomerulosa Zona Fasciculata Zona Reticularis Medulla Arteries Superior Suprarenala Middle Suprarenala Inferior Suprarenala Veins Right & Left Suprarenal VASTACCESS, INC. ALL RIGHTS RESERVED 10 Endocrine System Adrenal (Suprarenal) Glands Suprarenal Plexus Greater Splanchnic Celiac Ganglion Plexus Mineralocorticoids Glucocorticoids Sex Steroids VASTACCESS, INC. ALL RIGHTS RESERVED 11 Endocrine System Pancreatic Islets Arteries to the Pancreas Gastroduodenal Branches Anterior Pancreatico-Duodenal Posterior Pancreatico-Duodenal Splenic & Branches Dorsal Pancreatic Inferior Pancreatic Great Pancreatic Superior Mesenteric Inferior Pancreatico-Duodenal VASTACCESS, INC. ALL RIGHTS RESERVED 12 Endocrine System Pancreatic Islets Pancreatic Islet (Endocrine) Alpha Cell Glucagon/Receptor Beta Cell Insulin/Receptor Delta Cell Blood Capillary Glycogen Glucose VASTACCESS, INC. ALL RIGHTS RESERVED 13 Endocrine System Questions: 1. What are receptors? 2. Where are receptors found? 3. __________ is considered the master gland. 4. Where is the thyroid gland? VASTACCESS, INC. ALL RIGHTS RESERVED 14 Endocrine System Questions: 5. What is the purpose of the parathyroid gland? 6. How many parathyroid glands are there? 7. Where are the adrenal glands? 8. Each adrenal gland consist of _______ and ________. VASTACCESS, INC. ALL RIGHTS RESERVED 15 Endocrine System Questions: 9. The pancreas has both endocrine and exocrine functions. a) True b) False 10. What is function of pineal gland? 11. TSH stands for _______ _______ _______. 12. The posterior pituitary gland is larger than the anterior pituitary gland. VASTACCESS, INC. ALL RIGHTS RESERVED a) True b) False 16 Endocrine System Clinical Scenario VASTACCESS, INC. ALL RIGHTS RESERVED 17 VASTACCESS, INC. ALL RIGHTS RESERVED 18 Endocrine System Coding Scenario VASTACCESS, INC. ALL RIGHTS RESERVED .