Protein in the Body That Fights Infection
This page is the CodyCross answer for the clue below from House of Horrors, Group 1108, Puzzle 1 (Creaky Stairs).
Question is: Protein in the Body That Fights Infection
and the answer is: ANTIBODY
Word Meaning:
ANTIBODY — (immunology) A protein produced by B-lymphocytes that binds to a specific antigen.
Definitions from Wiktionary.