NCIt definition : The middle portion of the brainstem located between the midbrain and the medulla oblongata.
The fourth ventricle lies dorsal to the pons which also contains the motor trigeminal
nuclei and the abducens nuclei. The cerebellum contributes a large number of afferent
fibers to the pons.;
Alternative definition : NCI-GLOSS: Part of the central nervous system, located at the base of the brain, between
the medulla oblongata and the midbrain. It is part of the brainstem.; CDISC: The portion of the brainstem between the midbrain and medulla oblongata.; UBERON: The part of the central nervous system lying between the medulla oblongata
and the midbrain, ventral to the cerebellum.;