In certain invertebrates with an eversible proboscis (as nemerteans, whelks, etc.): the cavity or chamber lying between the retracted proboscis and…
单词 | θ31435 |
释义 | the world > animals > invertebrates > bodies or parts > [noun] > equivalent of the mouth > proboscis or tongue > cavity containing (1) rhynchodaeum1890 In certain invertebrates with an eversible proboscis (as nemerteans, whelks, etc.): the cavity or chamber lying between the retracted proboscis and… |
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