fontanel
 囟;排膿口


 fon·ta·nel /ˌfɑntṇˈɛl, ˈfɑntṇˌ/ 名詞
 囟,囟門


 Fon·ta·nel n.
 1. Med. An issue or artificial ulcer for the discharge of humors from the body.[Obs.]
 2. Anat. One of the membranous intervals between the incompleted angles of the parietal and neighboring bones of a fetal or young skull; -- so called because it exhibits a rhythmical pulsation.
 Note: ☞ In the human fetus there are six fontanels, of which the anterior, or bregmatic, situated at the junction of the coronal and sagittal sutures, is much the largest, and remains open a considerable time after birth.

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 fontanel
      n : any membranous gap between the bones of the cranium in an
          infant or fetus [syn: fontanelle, soft spot]