Pons Cross Section

A small dorsal or tegmental part.
Pons cross section. Stem so that you can determine if a gross or stained cross section is medulla pons or midbrain. A cross section at any given level of pons reveals 2 distinct regions. The cross section of pons is similar to the midbrain as described earlier but few things must be kept in mind.
Pons cross section through the facial colliculus division of the pons into two parts facilitates understanding its internal arrangement. The orientation of lemnisci in midbrain is more or less vertical but in pons it is horizontal. Identify on a typical cross section all the brain stem nuclei containing motor neurons that end on striated muscle.
Cranial nerve iii and iv arises from midbrain and mainly cranial nerve v vi viii and viii arises from pons. List the cranial nerves that contain parasympathetic fibers the location of their nuclei and their function. The pons can be broadly divided into two parts.
The basilar part of the pons ventral pons and the pontine tegmentum dorsal pons. A large ventral or basilar part. Running down the midline of the ventral surface is the basilar sulcus a groove for the basilar artery.
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