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Affixes: the building blocks of English
Affixes: the building blocks of English
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mesio-

A midline.

[Formed irregularly from Greek mesos, middle.]

The adjective mesial refers to a direction or position towards the middle line of a body. Compounds of mesio- appear mainly in dentistry: mesiobuccal (Latin bucca, cheek), between the mesial and buccal surfaces of a tooth, or mesiodens (Latin dens, dent-, tooth), an extra tooth that develops in the midline of the palate, between the central incisors.

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