When highly magnified, a mesial groove might be detected running along each of the hair-like lines.
Standing exactly at the back, there is a remarkable flatness at the lower end of the mesial groove.
The mesial lines are whitish and wide apart; externally they are closer, papiliform, and brown.
On the mesial side of this corpus dentatum lie three smaller nuclei.
Pallas describes the black of the tail as passing upwards in a mesial line.
More externally the mesial fillet is seen, while dorsal to the cerebellar peduncle is the posterior longitudinal bundle.
The first form is known as upward luxation and is made possible by rupture of the mesial (internal) femeropatellar ligament.
The third ventricle (see fig. 6) is a cavity situated in the mesial plane between the two optic thalami.
Sprains of the mesial tarsal ligaments cause lameness somewhat similar to that of spavin.
mesial me·si·al (mē'zē-əl, -zhəl)
Of, in, near, or toward the middle.
Situated toward the middle of the front of the jaw along the curve of the dental arch.