Kinesiology 2241A/B Study Guide - Midterm Guide: Diabetes Insipidus, Anterior Pituitary, Cell Membrane
20 Mar 2016
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Document Summary
The endocrine system is a major communication system of the body that utilizes hormones, not neurotransmitters, for cellular signaling to distant sites throughout the body. Hormones chemical signal secreted into the bloodstream to act on a distant tissue. Endocrine glands/tissues and the associated hormones that are released: Composed of various lengths of amino acid chains. Usually hydrophilic and diffuse through the blood easily. Act on receptors on cell membrane, outside of the cell. Location of receptor on the cell surface on plasma membrane. They are usually insoluble in water and blood. Pass through the cell and act on receptors inside of the cell. They can combine with hydrophilic carrier proteins to form water soluble molecules which allow them to diffuse easily into blood. Transportation in blood travel attached to a blood protein to make them a little bit more water soluble. Precursor tyrosine- made of 1 specific amino acid. Transportation in blood phobic- travel on blood protein.
