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a closed sac that develops abnormally in some body structure

a closed sac that develops abnormally in some body structure

A pouch or sac without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavities or in the substance of an organ.

In old authors, the urinary bladder, or the gall bladder.

One of the bladders or air vessels of certain algae, as of the great kelp of the Pacific, and common rockweeds (Fuci) of our shores.

A small capsule or sac of the kind in which many immature entozoans exist in the tissues of living animals; also, a similar form in Rotifera, etc.

A form assumed by Protozoa in which they become saclike and quiescent. It generally precedes the production of germs. See Encystment.

Any closed cavity or sac, normal or abnormal, lined by epithelium, and especially one that contains a liquid or semisolid material. (Dorland, 27th ed)

A sac, or pouch, in animal bodies containing diseased matter.

1. A bladder. 2. An abnormal sac containing gas, fluid, or a semi-solid material.

An abnormal membranous sac containing fluid.

A chest: a bag in animal bodies containing morbid matter.

A sac in animal bodies containing morbid matter; animal bag.

A membranous sac or vesicle in living organisms.

In animal bodies, a bag containing morbid matter.

The enclosing membrane (as distinct from the protoplasm) around a resting cell or apocyte; a bladder or air vesicle in certain Seaweeds.

Kyst.

Any sac containing a liquid.

n. [Greek] A pouch or sac containing morbid matter.

A bag containing some morbid matter.