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zoœcium
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zoœcium
‖ zoœcium Zool. (zəʊˈiːʃ(ɪ)əm) Pl. -ia. [mod.L., f. Gr. ζῷον animal + οἶκος house.] The thickened and hardened part of the cuticle of each zooid or polyp of a colony of Polyzoa, forming a cell or sheath in which it is lodged. Hence zoœcial (zəʊˈiːʃ(ɪ)əl) a., pertaining to or forming a zoœcium.1880 P...
Oxford English Dictionary
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kenozooid
kenozooid (ˌkɛnəʊˈzəʊɔɪd) [f. Gr. κενό-ς empty + zooid n.] In a colonial bryozoan of the phylum Ectoprocta, an individual consisting of the body wall or zoœcium alone, without tentacles or an alimentary canal. Also called † kenozoˈœcium [f. Gr. κενό-ς empty + zoœcium].1909 G. M. R. Levinsen Cheilost...
Oxford English Dictionary
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cœnœcium
‖ cœnœcium Zool. (siːˈniːʃ(ɪ)əm) [mod.L. f. Gr. κοιν-ός common + οἶκος house.] The common dermal system of a colony of Polyzoa; a polypary.1872 Nicholson Palæont. 192 The only element of the Polyzoa with which the palæontologist is concerned is the external investment of the colony—the ‘cœnœcium’ or...
Oxford English Dictionary
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chilostome
chilostome, a. and n. Zool. (ˈkaɪləstəʊm) Also cheilo-. [ad. mod.L. chilostomata: see chilostomatous a.] A. adj. Of, pertaining to, or resembling the Chilostomata, an order of marine Polyzoa. B. n. A member of this order.1896 Harmer in Cambr. Nat. Hist. II. 481 The operculum is usually..a conspicuou...
Oxford English Dictionary
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ancestrula
ancestrula, n. Zool. (ænˈsɛstrʊlə) [mod.L. (coined in Fr. by J. Jullien in Mission Scientifique du Cap Horn 1882–83 (1891) VI. iii. 27): see ancestor n., -ule.] The first or founder zooid of a bryozoan colony, formed by the metamorphosis of a sexually produced larva.1902 Q. Jrnl. Microsc. Sci. XLVI....
Oxford English Dictionary
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oo-
oo- (əʊəʊ) before a vowel o-, combining form of Gr. {wlenisisub}όν egg, ovum, used in various scientific terms, chiefly biological. (See the more important of these in their alphabetical places.) ooblast (ˈəʊəblæst) [Gr. βλαστός germ], ‘the primordial cell which develops into an ovule’ (Syd. Soc. Le...
Oxford English Dictionary
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