单词 | pseudosculum |
释义 | > as lemmaspseudosculum pseudosculum n. Brit. /s(j)uːˈdɒskᵿləm/ , U.S. /suˈdɑskjələm/ Zoology (now rare) (in sponges with a pseudogaster) the opening in the pseudogaster through which water is expelled from the sponge.ΚΠ 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 791 (Porifera) Such fusion frequently leads to the enclosure of spaces really external to the sponge-body, which form a false gastric cavity (pseudogaster) opening by a false osculum (pseudosculum s. pseudostome) and false pores (pseudopores). 1911 Encycl. Brit. XXV. 719/1 A centrally placed pseudogaster, which is simply a space enclosed by upgrowth of the colony around it, may form the main exhalant canal and open to the exterior through a well-defined vent or pseudosculum. < as lemmas |
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