extrinsic incubation period
The interval between the acquisition of an infectious agent by a vector and the vector's ability to transmit the agent to other susceptible vertebrate hosts.
What’s The Difference Between “A While” And “Awhile”Few word pairs capture the idiosyncrasies ("peculiar characteristics") of the English language like a while and awhile do.
What Are The 6 Major Punctuation Marks?You’ve definitely seen them around, but do you know how they’re supposed to be used? The major punctuation marks are the period, comma, exclamation point, question mark, semicolon, and colon. These marks organize sentences and give them structure. The Period A period (.) ends a sentence. It comes immediately after the last letter of a sentence, and there only needs to be one space between …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.