单词 | exochorion |
释义 | > as lemmasexochorion exochorion n. Brit. , U.S. , ΚΠ 1850 R. P. Thomas tr. P. Cazeaux Theoret. & Pract. Treat. Midwifery 185 It consists of two laminæ, the external or primitive of which, also called the exochorion, is wholly deprived of vessels. < as lemmas |
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