Definition of mesial in US English:

mesial

adjective

Anatomy
  • Relating to or directed toward the middle line of a body.

    • ‘Branches of the cingulum curve around outside the trigon on its mesial and distal sides.’
    • ‘In lingual view, the mesial surface of the protocone merges gradually with the anterior cingulum.’
    • ‘The most common finding was mesial temporal sclerosis, which is typically not detected on CT.’
    • ‘The tooth plates measure 16 cm from the mesial tip to the distal end.’
    • ‘In nulliparous women, in the upright position, their long axis is vertical; it has lateral and mesial surfaces, tubal and uterine extremities and mesovarian and free borders.’
    • ‘It has been postulated that mesial temporal sclerosis may be related to a complicated delivery, febrile convulsions during childhood, and status epilepticus.’
    • ‘The molars tend to interlock with their mesial and distal neighbors in ways which become more elaborate and precise in later forms.’
    • ‘The mesial and distal surfaces are worn to produce a beveled pattern, which contrasts sharply with the flattened and generally bilobed dentition of pampatheres.’
    • ‘This may be due in part to the fact that the most common pathologic finding of temporal lobe resections involve hippocampal or mesial temporal sclerosis and neoplasia.’
    • ‘The commonest pathology in chronic temporal lobe epilepsy is mesial temporal sclerosis with scarring of the hippocampus.’
    • ‘The distance from the mesial angle to the distal corner on the labial side is 10.4 cm.’
    • ‘The persistence occurs most often with the upper canine and the lower second molar, and less often with the upper lateral and lower mesial incisors.’
    • ‘Posteriorly, the mesial lamina of the splenial is firmly sutured onto the anterior end of the prearticular.’
    • ‘The most common type is mesial impaction, which means teeth that have grown at an angle facing towards the front of the mouth.’
    • ‘The teeth are only slightly worn; the dentine is exposed on one mesial cusp on the first right and left permanent molars.’
    • ‘By rolling the labial margins toward the midline, the mesial end of the upper dentition can be narrowed without bringing the plates out of line.’
    • ‘The anterior outer tritor is situated on a prominence located labially and near the mesial one third of the middle tritor.’
    • ‘Surgery is most commonly performed for mesial temporal lobe epilepsy, frontal lobe epilepsy, and epilepsy secondary to a lesion.’
    • ‘Damage to this area - the right mesial prefrontal cortex - apparently causes the near-universal interest in collecting to escalate out of control by releasing the primitive hoarding urge from its normal restraints.’
    • ‘The findings suggest that damage to the right mesial prefrontal cortex causes abnormal hoarding behavior by releasing the primitive hoarding urge from its normal restraints.’
    midway, middle, mid, central, centre, intermediate, equidistant between two points
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Origin

Early 19th century: formed irregularly from Greek mesos ‘middle’ + -ial.

Pronunciation

mesial

/ˈmezēəl/