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
Popular Illustrations. Popular Legal Terms. Revocation. The term ârevocationâ refers to the recall, cancellation, or annulment of something that has been granted, such as a privilege, an offer, or a contract. There are many forms of revocation, and the term applies to issues in civil as well as criminal law.