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13 Cards in this Set

  • Front
  • Back

Neurohormone

Chemicals that can be released as a neurotransmitter and hormone.

List Functions of Endocrine System

Maintaining water balance, Maintaining electrolyte concentration, metabolism, growth, reproduction, cardiac activity, and immune function

Three hormone receptor locations :

1. Cell membrane


2. Cytosol


3. Nucleus

Endocrine Organs

Glandular organs dedicated to the secretion of hormones

Endocrine Tissues

Hormone secreting tissues found within other organs

Hormone Classification - 3 Ways

1. Solubility


2. Chemical structure


3. Location of targets

Water soluble

Polar molecule that is dissolved in the blood, but is restricted to receptors located on the cell membrane of target cells

Lipid Soluble

Non polar molecule that requires transport proteins to travel through the blood ;however can bind to receptors within the cell, such as the nucleus or in the cytosol

Steroid structure

Lipid Soluble hormones constructed from sterol organic molecules

Biogenic amines and peptide structure

Water soluble hormones composed of varying lengths of amino acids

Eicosanoids

Water soluble; hormones composed of fatty acids primarily from arachidonic acid processed through the cyclic oxygenase (COX) pathway

Target Location - Circulating

Hormones produced in one part of the body, distributed by the cardiovascular system, and have effects observed in different parts of the body

Target Location - Local, 2 types

Paracrine - affect cells in the area immediate you the secreting cells


Autocrine - affect the secreting cell