Defn: One of the small green granulelike bodies found in the interior of certain stentors, hydras, and other invertebrates.

ZOOCYST; ZOOECYST
Zo"ö*cyst, n. Etym: [Zoö- + cyst.] (Biol.)

Defn: A cyst formed by certain Protozoa and unicellular plants which the contents divide into a large number of granules, each of which becomes a germ.

ZOOCYTIUM; ZOOECYTIUM
Zo`ö*cy"ti*um, n.; pl. Zoöcytia. Etym: [NL., fr. Gr. (Zoöl.)

Defn: The common support, often branched, of certain species of social Infusoria.

ZOODENDRIUM; ZOOEDENDRIUM
Zo`ö*den"dri*um, n.; pl. Zoödendria. Etym: [NL., fr. Gr. (Zoöl.)

Defn: The branched, and often treelike, support of the colonies of certain Infusoria.

ZOOECIUM
Zo*oe"ci*um, n.; pl. Zooecia. Etym: [NL., fr. Gr. (Zoöl.)

Defn: One of the cells or tubes which inclose the feeling zooids of
Bryozoa. See Illust. of Sea Moss.

ZOOERYTHRINE; ZOOEERYTHRINE
Zo`ö*e*ryth"rine, n. Etym: [Zoö- + Gr. (Zoöl.)