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.
A cumulative probability is a sum of probabilities. In connection with the t distribution calculator, a cumulative probability refers to the probability that a t statistic or a sample mean will be less than or equal to a specified value. Suppose, for example, that we sample 100 first-graders.