natural killer cell


natural killer cell

noun

Definition of NATURAL KILLER CELL

:  a large granular lymphocyte capable of killing a tumor or microbial cell without prior exposure to the target cell and without having it presented with or marked by a histocompatibility antigen —called also NK cell

First Known Use of NATURAL KILLER CELL

1975

natural killer cell

noun    (Medical Dictionary)

Medical Definition of NATURAL KILLER CELL

: a large granular lymphocyte capable especially of destroying tumor cells or virally infected cells without prior exposure to the target cell and without having it presented with or marked by a histocompatibility antigen—called also NK cell

Browse

Next Word in the Dictionary: natural language
Previous Word in the Dictionary: natural key
All Words Near: natural killer cell

Seen & Heard

What made you want to look up natural killer cell? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More