Definition: ICSI stands for intracytoplasmic sperm injection, and is pronounced ICK-sea, or ICK-seas. Sometimes used with assisted reproductive technologies like IVF, ICSI involved taking one sperm cell and injecting it directly into an egg, with a small, specialized needle.
ICSI
By Rachel Gurevich, About.com
Updated: July 30, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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