rumen
US /ˈruːmən/
UK /ˈruːmən/
名詞
ルーメン, 第一胃
the first stomach of a ruminant, which receives food or cud from the esophagus, partly digests it with the aid of bacteria, and passes it to the reticulum
例:
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Cattle have a four-chambered stomach, with the rumen being the largest compartment.
牛は4つの胃室を持ち、ルーメンが最大の区画です。
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Microorganisms in the rumen play a crucial role in digesting cellulose.
ルーメン内の微生物はセルロースの消化に重要な役割を果たします。