n.囟，囟门(婴儿头顶骨未合缝处)

The fontanelle is the soft spot on a baby's head where the skull bones have not yet fused together.
囟门是婴儿头骨尚未愈合形成的柔软部位。
The pediatrician gently palpated the infant's anterior fontanelle to check for any abnormalities.
儿科医生轻轻地触摸婴儿的前囟，以检查是否有任何异常。
It's essential to support the baby's head when carrying them, especially around the area of the posterior fontanelle.
抱婴儿时必须支撑其头部，特别是在后囟区域。
As the baby grows, the fontanelles gradually close and become part of the solid bony structure of the skull.
随着婴儿的成长，囟门会逐渐闭合并成为颅骨坚硬结构的一部分。
Premature babies often have larger fontanelles than full-term infants due to their incomplete bone development.
早产儿由于骨骼发育不完全，往往比足月婴儿拥有更大的囟门。
If the fontanelle is sunken, it may indicate dehydration; if bulging, it could be a sign of increased intracranial pressure.
如果囟门凹陷，可能表明脱水；如果囟门突出，则可能是颅内压增高的迹象。
During a physical examination, the doctor checked for the consistency and tension of the baby's fontanelles.
在体格检查期间，医生检查了婴儿囟门的硬度和张力。
The fontanelle allows the brain to grow without being constricted by the rigid skull bones during infancy.
囟门使得婴儿期的大脑可以在未被硬性头骨限制的情况下得以成长。
Parents should always be cautious about head injuries in toddlers since the fontanelles might not have fully closed yet.
父母应始终注意幼儿头部受伤的情况，因为他们的囟门可能尚未完全闭合。
Any swelling or redness around the fontanelle can be an early indication of meningitis, which requires immediate medical attention.
囟门周围出现肿胀或红肿可能是脑膜炎的早期征兆，这种情况需要立即就医。