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Middle; median; in, or in the region of, the mesial plane; internal; -- opposed to lateral. Mesial plane. (Anat.) See Meson.

In, near, or toward, the mesial plane; mesiad.

Away from the mesial plane of the body; lateral. External angles. (Geom.) See under Angle.

To divide along the mesial plane.

A division along the mesial plane; also, one of the parts so divided.

Lying toward the mesial plane; mesial. Internal angle (Geom.), an interior angle. See under Interior. -- Internal gear (Mach.), a gear in which the teeth project inward from the rim instead of outward.

Toward the side; away from the mesial plane; -- opposed to mesiad.

Lying at, or extending toward, the side; away from the mesial plane; external; -- opposed to mesial.

f unpaired organs and parts; as, median coverts. Median line. (a) (Anat.) Any line in the mesial plane; specif., either of the lines in which the mesial plane meets the surface of the body. (b) (Geom.) The line drawn from an angle of a triangle to the middle of the opposite side; any line having the nature of a diamete…

Same as Mesial.

Same as Mesially.

Toward, or on the side toward, the mesial plane; mesially; -- opposed to laterad.

The mesial plane dividing the body of an animal into similar right and left halves. The line in which it meets the dorsal surface has been called the dorsimeson, and the corresponding ventral edge the ventrimeson. B. G. Wilder.

anying example. -- Oblique muscle (Anat.), a muscle acting in a direction oblique to the mesial plane of the body, or to the associated muscles; -- applied especially to two muscles of the eyeball. -- Oblique narration. See Oblique speech. -- Oblique planes (Dialing), planes which decline from the zenith, or incline…

e consolidated in the adult. -- Occipital point (Anat.), the point of the occiput in the mesial plane farthest from the ophryon.

In the mesial plane; as, a sagittal section of an animal. Sagittal suture (Anat.), the suture between the two parietal bones in the top of the skull; -- called also rabdoidal suture, and interparietal suture.

One of the halves of the body, of an animals or man, on either side of the mesial plane; or that which pertains to such a half; as, a side of beef; a side of sole leather.