The prototype conjugative plasmid associated with conjugation in a strain of Escherichia coli.fertility factor F factor
What’s The Origin Of The F-word?It's one of the most versatile words in the English language, but where did the F-word really come from? Originally, the naughtiest of naughty words was actually quite an acceptable word, though no English speaker would say that today.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.