"Ovigerm" is a term that refers to the reproductive organ of a female insect. The correct spelling of this word follows the rules of Latinized scientific names. It is pronounced "oh-vi-jerm" with the first syllable emphasized. The "o" sound is pronounced as in "oh", the "vi" is pronounced as "vee", and the "jerm" is pronounced with a soft "j" as in "germ". Learning phonetic transcription can help in mastering the correct spelling and pronunciation of scientific terms.
Ooblast.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.