1 Some virulent bacteria produce proteins that either disrupt host cell membranes or stimulate their own endocytosis or macro-pinocytosis into host cells. 2  These virulence factors allow the bacteria to enter host cells and facilitate entry into the body across epithelial tissue layers at the body surface.
Definition of revoke for English Language Learners : to officially cancel the power or effect of (something, such as a law, license, agreement, etc.) : to make (something) not valid REVOKE Defined for Kids
1580s, to bring back by calling upon, from re- back, again + call (v.); in some cases a loan-translation of Middle French rappeler (see repeal (v.)) or Latin revocare (see revoke). Sense of bring back to memory is from 1610s. Related: Recalled; recalling.