killer cell

killer cell definition - medical

kill·er cell (kĭlˈər)

noun
A large differentiated T cell that attacks and lyses target cells bearing specific antigens. Also called cytotoxic T cell, killer T cell, null cell.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.