Acephalocyst n. : A larval entozoon in the form of a subglobular or oval vesicle, or hydatid, 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.

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Taxonomy
Wiktionary, cysts, Etymology, Pronunciation, zoology, vesicle, free dictionary, search, akephalos, bladder, aah, SEPH, oval, fluid, tissues, lower animals, absence, organs.

Defination from the web:
acephalocyst. Definition from Wiktionary, a free dictionary. Jump to: navigation, search. Contents. 1 English. 1.1 Etymology. 1.2 Pronunciation. 1.3 Noun ... acephalocyst. Plural. acephalocysts. acephalocyst (plural acephalocysts) ...