Gastrointestinal tract/ja: Difference between revisions

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+[[Nephrozoa/ja|ほとんどの動物]]は「貫通腸」または完全な消化管を持っている。例外はより原始的なものである： [[sponge/ja|海綿動物]]は消化のための小さな孔（[[ostium (sponges)/ja|オスチウム]]）を全身に持ち、排泄のための大きな背側の孔（[[osculum/ja|排水孔]]）を持ち、[[comb jellies/ja|有櫛動物]]は腹側の口と背側の肛門孔の両方を持ち、[[cnidarians/ja|刺胞動物]]と[[acoels/ja|アコヤガイ]]は消化と排泄の両方のための単一の孔を持つ。
-[[Nephrozoa|Most animals]] have a "through-gut" or complete digestive tract. Exceptions are more primitive ones: [[sponge]]s have small pores ([[ostium (sponges)|ostia]]) throughout their body for digestion and a larger dorsal pore ([[osculum]]) for excretion, [[comb jellies]] have both a ventral mouth and dorsal anal pores, while [[cnidarians]] and [[acoels]] have a single pore for both digestion and excretion.
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