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
Definition of recall. 1  1 : a call to return a recall of workers after a layoff. 2  2 : the right or procedure by which an official may be removed by vote of the people. 3  3 : remembrance of what has been learned or experienced.  4 : the act of 1  revoking. 5 : a public call by a manufacturer for the return of a product that may be defective or contaminated.