On this page. Chapter 5: Facial sensations & movements. In this chapter, the functions of the trigeminal (CN V) and facial (CN VII) nerves will be discussed. Symptoms of damage to the trigeminal system are mainly loss of sensation in the face, although the mandibular division of the trigeminal nerve also controls jaw motion.
Definition of cumulative for English Language Learners. : 1  increasing or becoming better or worse over time through a series of additions. : 2  including or adding together all of the things that came before.
Cumulative frequency can also defined as the sum of all previous frequencies up to the current point. The cumulative frequency is important when analyzing data, where the value of the cumulative frequency indicates the number of elements in the data set that lie below the current value.