impregnation now takes place, and, with the development of the ova in the body, the tick takes an increased quantity of blood, so that in a few days it becomes very much larger.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The antipathy communicated to the metal by its being soaked for a certain time in an alkaline solution prevents impregnation."
"The Memoires of Casanova, Complete The Rare Unabridged London Edition Of 1894, plus An Unpublished Chapter of History, By Arthur Symons"
Jacques Casanova de Seingalt
In some of these, even self-impregnation may occur.
"The Glands Regulating Personality"
Louis Berman, M.D.