VCU HPEX 250 - Module 16 Endocrine System (7 pages)

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Module 16 Endocrine System



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Module 16 Endocrine System

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Pages:
7
School:
Virginia Commonwealth University
Course:
Hpex 250 - Medical Terminology
Medical Terminology Documents

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HPEX 250 Module 16 The Endocrine System Section 1 Anatomy and Physiology Lesson 1 Endocrine System Overview o Endocrinology Endocrine Secreting substances internally Endocrinology The study of the endocrine glands Endo Within Crine and crin o To secrete Glands Aden o o Endocrine System Organs Pituitary Glands pituitar o Pineal Gland Thyroid Gland thyroid o thyr o Parathyroid parathyroid o Thymus Adrenal Glands Pancreas Pancreat o o Endocrine vs Exocrine Endocrine Ductless Secrete hormones into the bloodstream through a glandular membrane Exocrine Deliver their secretions through a duct Exo means out and away Sweat glands are exocrine glands Produce a transparent watery liquid that travels through a duct to the surface of the skin o Categories of hormones Protein Hormone formed from amino acids Steroid Hormone formed from the lipid cholesterol o Target Tissue Specific tissues that hormones work by affecting o Hormone Function Hormones interact with target tissues by binding to receptors on or within the surface of the tissues cells Receptors Enable the tissue to recognize and respond to specific hormones o Erythropoietin Substance that stimulates the production of red blood cells Lesson 3 Anterior Pituitary Gland o Pituitary Gland Pituitar o Supplies hormones that effect almost every bodily function AKA master gland and hypophysis cerebri Small pea shaped gland attached to the undersurface of the hypothalamus in a depression of the skull called sella turcica Consists of two major lobes Anterior Lobe o Adenohypophysis o Upward extension of the pharynx composed of glandular tissue Posterior Lobe o Neurohypophysis o Downward projection of the brain composed of nervous tissue o Hypothalamus in the Pituitary Gland Hypothalamus Activates integrates and controls the endocrine processes somatic functions and peripheral autonomic nervous system Exerts an important function on the pituitary gland o It targets the organ o It controls the secretion of the anterior pituitary lobe



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