Egg sac
An egg sac was a case which contained eggs.

An adult Xindi-Insectoid could produce multiple egg sacs asexually. ()

The Crepusculans also produced egg sacks. One cluster off egg sacks was placed outdoors in a desert canyon, supported on stick-like legs and connected by lines. ()

In 2380, Lieutenant Brinson told Ensign Beckett Mariner that on her second date, with Brad Boimler, he "shook hands" with a Lortian's egg sac. ()

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Sex and reproduction