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 Injury to which of the following nerves leads to paralysis of the posterior belly of the digastric muscle? and explain in detail?
The posterior belly of digastric is innervated by the Facial nerve, whereas the anterior belly is innervated by the mandibular division of Trigeminal nerve. The Accessory nerve supplies the sternocleidomastoid and trapezius muscles. The Ansa cervicalis innervates the infrahyoid (or strap) muscles.