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| proc·to·de·um [ pròktə d əm ] (plural proc·to·de·a [ pròktə d ə ] or proc·to·de·ums) or proc·to·dae·um [ pròktə d əm ] (plural proc·to·dae·a or proc·to·dae·ums) |
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| Definition: |
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part of embryo: the exterior section of an embryo that develops into part of the anal canal
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| [Late 19th century. < modern Latin< Greek prōktos "anus" + hodaios "on the way" < hodos "way"] |
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