You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Parotid duct pierces which muscle? and explain in detail?
Ans. is 'a' i.e., Buccinator * Structures piercing the buccinator arei) Parotid ductii) Buccal branch of mandibular nerveiii) Four or five mucous glands lying on the bucco-pharyngeal fascia around the parotid duct.