sickle cell anemia

Essay specific features

 

Issue:

Science

 

Written by:

Marilyn B

 

Date added:

July 21, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 677

 

Was viewed:

8404 times

 

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Essay content:

In sickle cell anemia, the hemoglobin is defective. After the hemoglobin molecules give up their oxygen, some of them may cluster together and form long, rod-like structures. These structures cause the red blood cells to become stiff and to assume a sickle shape. Unlike normal red cells, which are usually smooth and donut-shaped, the sickled red cells cannot squeeze through small blood vessels...
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Unlike normal red cells, which are usually smooth and donut-shaped, the sickled red cells cannot squeeze through small blood vessels. Instead, they stack up and cause blockages that deprive the organs and tissue of oxygen-carrying blood. This process produces the periodic episodes of pain and ultimately can damage the tissues and vital organs and lead to other serious medical problems...
displayed 300 characters

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