| 单词 | rhynchocoel |
| 释义 | rhynchocoel/ˈrɪŋkə(ʊ)siːl/(also rhynchocoele, rhyncocoele, rhyncocoel) Zoology adjective = rhynchocoelan rare. noun 1A worm of the phylum Rhynchocoela (now usually called Nemertea); a nemertean worm. 2In a nemertean worm: a fluid-filled tubular body cavity containing the introverted proboscis. Also: a cavity enclosing the extensible proboscis in whelks and related gastropods. Origin |
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