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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 acrania
 無顱畸形

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 acra·nia /(ˈ)eˈkrenɪə/ 名詞
 無顱蓋

From: Webster's Revised Unabridged Dictionary (1913)

 A·cra·ni·a n.
 1. Physiol. Partial or total absence of the skull.
 2. pl. Zool. The lowest group of Vertebrata, including the amphioxus, in which no skull exists.
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