Antibody

[Sarah]

Any of various bodies or substances in the blood which act inantagonism to harmful foreign bodies, as toxins or the bacteriaproducing the toxins. Normal blood serum apparently containsvariousantibodies, and the introduction of toxins or of foreign cellsalso results in the development of their specific antibodies.

[Sarah]

The term used in describing a person having an attractive face but an unattractive body.

The opposite of a butterface

[Ernesto]

a protein produced in the blood that fights diseases by attacking and killing harmful bacteria, viruses, etc.:

[Kai]

A blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances which the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.