Definition of couth. good or someone that is cool. In contrast to uncouth: bad or someone that is stupid.His ass is so couth!
Chapter 7 - Lower cranial nerve function. The lower cranial nerves are involved in pharyngeal and laryngeal function as well as in movements of the neck and tongue. Damage usually manifests as problems with speech and swallowing. These nerves arise from the medulla and, in the case of the accessory nerve (CN XI), the spinal cord. These nerves are commonly affected by conditions damaging the medulla, but bilateral damage to corticobulbar connections can create motor problems that affect tongue and pharynx movement and speech.
Let's review what the cranial nerves do one more time. The facial nerve, also known as cranial nerve VII, is the most important nerve controlling muscles of facial expression. It is responsible for the sensation of taste in the anterior two-thirds of your mouth.et's review what the cranial nerves do one more time. The facial nerve, also known as cranial nerve VII, is the most important nerve controlling muscles of facial expression. It is responsible for the sensation of taste in the anterior two-thirds of your mouth.