“proventriculus”的概念、定义、翻译、参考文献-科学参考

单词	proventriculus
释义	proventriculus [´prō·vǝn`trik·yǝ·lǝs] ^{INVERTEBRATE ZOOLOGY} 1. A sac anterior to the gizzard in earthworms. 2. A dilation of the foregut anterior to the midgut of Mandibulata. ^{VERTEBRATE ZOOLOGY} The true stomach of a bird, usually separated from the gizzard by a constriction.
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