Answer :
Final answer:
The sensorimotor integration of the muscles of the lower face requires the trigeminal and facial cranial nerves. The trigeminal nerve handles sensation, and the facial nerve controls muscular movements for facial expressions.
Explanation:
The sensorimotor integration of the muscles of the lower face depends on the trigeminal and facial cranial nerves. The trigeminal nerve helps in transmitting sensory information in this region including pain and touch, while the facial nerve is vital for controlling the muscles for facial expressions. Under the functional division of cranial nerves, the trigeminal and facial nerves fall under the category that contains both sensory and motor fibers.
For instance, while the facial nerve is responsible for controlling the muscles resulting in various facial expressions and also plays a role in taste and salivation in the anterior oral cavity, the trigeminal nerve contributes to sensations in the face.
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