opsiblastic

adj

1. (not-comparable)Exhibiting a period of dormancy before starting to develop.

   “Opsiblastic ova with retarded development occur in freshwater forms, although initiation of the process is little understood .”

   “If an opsiblastic egg is produced by an individual, it is usually the last oviposition by that animal even if it is also the first.”

   “Opsiblastic eggs are thick-shelled, a little larger than tachyblastic eggs, and are very resistant to freezing and drying.”