Zoology. A naturally occurring tubular passage or structure in an animal, (in later use) spec. a sponge.
| 单词 | θ31267 |
| 释义 | the world > animals > animal body > general parts > [noun] > tube or pipe (7) fistula1601 Zoology. A naturally occurring tubular passage or structure in an animal, (in later use) spec. a sponge. caecum1753 With plural cæca: Any blind tube, or tube with one end closed. The intestinal caeca are two long blind tubes connected with the upper part of the… Subcategories:— small (2) — serving as canal (2) — animal having tube (1) |
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