Defn: One who acknowledges no head or superior. Dr. Gauden.

ACEPHALOCYST
A*ceph"a*lo*cyst, n. Etym: [Gr. (Zoöl.)

Defn: A larval entozoön in the form of a subglobular or oval vesicle, or hy datid, filled with fluid, sometimes found in the tissues of man and the lower animals; — so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin.

ACEPHALOCYSTIC
A*ceph`a*lo*cys"tic, a.

Defn: Pertaining to, or resembling, the acephalocysts.

ACEPHALOUS
A*ceph"a*lous, a. Etym: [See Acephal.]

1. Headless.

2. (Zoöl.)

Defn: Without a distinct head; — a term applied to bivalve mollusks.

3. (Bot.)