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passage of parasites or infective agents from the maternal body to eggs within the ovaries; commonly used to describe certain arthropods, to explain the ability of larvae of the next generation to transmit disease pathogens, as with the infection of larval mites or ticks with rickettsiae or viruses.
Farlex Partner Medical Dictionary © Farlex 2012
The transmission of causative agents of disease to offspring following invasion of the ovary and infection of eggs; occurs in ticks and mites.
See also: transmission
Medical Dictionary, © 2009 Farlex and Partners