fetus papyraceus
构词拆分
fetus词根/词干
+
“made of paper”
词源说明
From fetus + Latin papȳrāceus (“made of paper”), or could be considered an entirely Latin compound, consistent with medical naming.
释义（英文）
名词 Noun
- A vanishing twin that, rather than being completely reabsorbed, is compressed by its growing twin to a flattened, parchment-like condition.