Dehiscence

Webster's Dictionary of the English Language

·noun The act of Gaping.

II. Dehiscence ·noun A gaping or bursting open along a definite line of attachment or suture, without tearing, as in the opening of pods, or the bursting of capsules at maturity so as to emit seeds, ·etc.; also, the bursting open of follicles, as in the ovaries of animals, for the expulsion of their contents.