Hamulus pterygoideus

例句：

1. 1.The submandibular gland is responsible for producing saliva, which helps to moisten and clean the mouth.
   下颌下腺负责产生唾液，有助于滋润和清洁口腔。
2. 2. In some cases, the submandibular gland can become enlarged due to inflammation or infection.
   在某些情况下，由于炎症或感染，下颌下腺可能会肿大。
3. 3. During sleep, the submandibular gland produces more saliva to help with digestion.
   在睡眠时，下颌下腺会产生更多的唾液，帮助消化。