Be sure to make good use of the information in your text book as well any resour

Question

Be sure to make good use of the information in your text book as well any resources you find online! Don't forget to correctly cite any source you use. In order to avoid plagiarism, be sure to run your response through the Plagiarism Checker e BEFORE posting! DISCUSSION TOPIC 2 Neuroglial function and structure Remember that there are six different types of neuroglia; four found in the central nervous system and two found in the peripheral nervous system. 1. Select two different types of neuroglia and relate their structure, including shape, to their function. 2. Find and briefly describe a disease or disorder that relates to the one of the glial cells that you chose to discuss. Try to find one NOT mentioned in your textbook if at all possible. Note also that not ALL nervous system diseases involve neuroglia cells. Here are a couple of sources that you can use to get started. o Genetics Home Reference. 2008, Genetic Conditions Brain and nervous system o Nebraska Medical Center. 2009 Neurological Disorders Be sure to make good use of the information in your text book s well any resources you find online! Don't forget to correctly

Explanation / Answer

1. Two important nwuroglia are;

i. Astrocytes: These are star shaped cells found within central nervous system. Being star shaped they have small projections and by these projections these cells connect neurons with blood supply maintaining blood brain barrier.

ii. Ependymal cells: These are cuboid all columnar ciliated cells located within ventricles and central canal of spinal cord. These cells form a specialized structure, choroid plexus in ventricles which secretes cerebrospinal fluid.

The basal membrane of ependymal cells bears small tentacles by which they make attachment with astrocytes. Apical surface of these cells bear cilia and micro villi by which they circulate and absorb CSF.

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