fetus papyraceus

短语

释义与例句

n.
  1. 1.

    A vanishing twin that, rather than being completely reabsorbed, is compressed by its growing twin to a flattened, parchment-like condition.

词源

From fetus + Latin papȳrāceus (“made of paper”), or could be considered an entirely Latin compound, consistent with medical naming.

来源：wiktionary