asco-, asc-

Certain specialized, or abnormal, floral and foliage leaves.

1. Minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves or "squirts" out.
2. Known as a "sea squirt" or a marine invertebrate animal that has a transparent sac-shaped (bag-shaped) body with openings through which water passes in and out.

It squirts out a stream of water when disturbed; class Ascidiacea.

One of the individual members of a compound ascidian which are members of the Ascidiacea: sea-squirts or sedentary tunicates, either solitary or in colonies, having a degenerate nervous system, an atrium opening dorsally near the mouth and numerous gill-slits forming a basket-work. The whole organism is enclosed in a test or outer skin made of material resembling cellulose.

1. A part of a plant or fungus shaped like a pitcher or bag.
2. A pitcher-shaped, bottle-shaped, or baglike part or organ; such as, the hollow tubular leaf of a pitcher plant.