fontanel

• 名词，指婴儿或胎儿头骨骨缝之间尚未闭合的柔软膜状间隙，尤指前囟。

A noun referring to any of the soft, membranous gaps between the bones of the cranium in an infant or fetus.

1. Soft spot on an infant's skullC1formalmedical

   A soft, membranous gap between the bones of an infant's skull that allows for brain growth and passage through the birth canal.

   囟门

   • The pediatrician gently felt the baby's fontanel to check for proper development.
   • A sunken fontanel can be a sign of dehydration in infants.
   • The anterior fontanel typically closes by the time a child is 18 to 24 months old.

   同义词fontanellesoft spot