The narrow glandular first region of a bird's stomach, lying between the crop and the gizzard.
| 单词 | θ38779 |
| 释义 | the world > animals > birds > parts of or bird defined by > [noun] > true stomach (1) proventriculus1809 The narrow glandular first region of a bird's stomach, lying between the crop and the gizzard. |
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