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.
increasing or growing by accumulation or successive additions: the cumulative effect of one rejection after another. 2. formed by or resulting from accumulation or the addition of successive parts or elements. 3. of or relating to interest or dividends that, if not paid when due, become a prior claim for payment in the future: