| mesentery of lung | The reflection of pleura surrounding the root of the lung (including the pulmonary ligament inferiorly) as parietal pleura becomes continuous with the visceral pleura of the lung. Synonym: mesentery of lung. (05 Mar 2000) |
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| mesentery of sigmoid colon | See: mesocolon. (05 Mar 2000) |
| mesentery of transverse colon | See: mesocolon. (05 Mar 2000) |
| meseraic | <anatomy> Mesaraic. Source: Websters Dictionary (01 Mar 1998) |
| mesethmoid | <anatomy> The median vertical plate, or median element, of the ethmoid bone. Origin: Mes- + ethmoid. Source: Websters Dictionary (01 Mar 1998) |
| mesethmoid bone | In comparative anatomy, the bone present in some species as the most anterior bone of the floor of the braincase. (05 Mar 2000) |
| mesh | 1. The opening or space inclosed by the threads of a net between knot and knot, or the threads inclosing such a space; network; a net. "A golden mesh to entrap the hearts of men." (Shak) 2. The engagement of the teeth of wheels, or of a wheel and rack. Mesh stick, a stick on which the mesh is formed in netting. Origin: AS. Masc, max, mscre; akin to D. Maas, masche, OHG. Masca, Icel. Moskvi; cf. Lith. Mazgas a knot, megsti to weave nets, to knot. Source: Websters Dictionary (01 Mar 1998) |
| mesh graft | A skin graft in which multiple slits have been made, so it can be stretched to cover a large area. Synonym: mesh graft. (05 Mar 2000) |
| meshwork | See: network. (05 Mar 2000) |
| mesiad | <anatomy> Toward, or on the side toward, the mesial plane; mesially; opposed to laterad. Origin: Gr. Middle + L. Ad to. Source: Websters Dictionary (01 Mar 1998) |
| mesial | <dentistry> Forward or front. For example your cuspid is medial to you bicuspid. The medial surface of your bicuspid is the part of the bicuspid closest to your cuspid. (08 Jan 1998) |
| mesial angle | The angle formed by the meeting of the mesial with the labial (or buccal) or lingual surface of a tooth. (05 Mar 2000) |
| mesial caries | Caries on the tooth surface that is directed toward the median plane of the dental arch. (05 Mar 2000) |
| mesial displacement | Malposition of a tooth mesial to normal, in an anterior direction following the curvature of the dental arch. Synonym: mesial displacement, mesioplacement. (05 Mar 2000) |
| mesial occlusion | Occlusion in which the mandibular teeth articulate with the maxillary teeth in a position anterior to normal. Synonym: anterior occlusion, mesio-occlusion. Synonym: mesioclusion. (05 Mar 2000) |