Psych M.D. - Glial Cells


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


Term: Glial Cells
Definition (Myers):cells in the nervous syste that support, nourish, and protect neurons.1
Definition (alternative):
  • Astrocyte (Astroglia): Star-shaped cells that provide physical and nutritional support for neurons: 1) clean up brain "debris"; 2) transport nutrients to neurons; 3) hold neurons in place; 4) digest parts of dead neurons; 5) regulate content of extracellular space
  • Microglia: Like astrocytes, microglia digest parts of dead neurons.
  • Oligodendroglia: Provide the insulation (myelin) to neurons in the central nervous system.
  • Satellite Cells: Physical support to neurons in the peripheral nervous system.
  • Schwann Cells: Provide the insulation (myelin) to neurons in the peripheral nervous system. 2
Contextual explanation: Glial cells are part of the structure of the cortex, of the human skull. The numerous glial cells support the cerebral cortex, which connects the right and left hemisphere together. There are about nine times as many as the thin sheet of cells in the cerebral cortex, which is approximately 300,000 neurons. Without glial cells, are brain cells would be harmed.
Related terms and concepts: insert links to other pages on The Neuron here
Types of Glial Cells
Psych M.D. - Glial Cells - The Neuron3
Related websites: insert links to external websites here
Sources: insert WAPA style citations here
  1. Myers, D. (2004). Psychology. Michigan: Worth.
  2. Neuroscience For Kids - glia . (n.d.). Retrieved October 14, 2009, from http://faculty.washington.edu/chudler/glia.html
  3. Chapter 7. (n.d.). Retrieved October 14, 2009, from http://www.dmacc.edu/instructors/rbwollaston/Chapter_8_Nervous_System.htm
Edited by: Jung-Ah
Date of last edit: October 15, 2009



More pages