(Mes"al*ly) adv. Same as Mesially.

(Mes`a*mœ"boid) n. [Mes- + amœboid.] (Biol.) One of a class of independent, isolated cells found in the mesoderm, while the germ layers are undergoing differentiation.

(Mes`a*ra"ic) a. [Gr. mesa`raion mesentery; me`sos middle + 'araia` flank.] (Anat.) Mesenteric.

(Mes`a*ti*ce*phal"ic) a. [Gr. midmost + E. cephalic.] (Anat.) Having the ratio of the length to the breadth of the cranium a medium one; neither brachycephalic nor dolichocephalic.

(Mes`a*ti*ceph"a*lous) a. (Anat.) Mesaticephalic.

(||Mes*cal") n. [Sp.] A distilled liquor prepared in Mexico from a species of agave. See Agave.

(||Mes`dames") n., pl. of Madame and Madam.

(Me*seems") v. impers. [imp. Meseemed ] It seems to me. [Poetic]

(Me"sel) n. [See Measle.] A leper. [Obs.]

(Me"sel*ry) n. Leprosy. [Obs.] Chaucer.

(||Me*sem`bry*an"the*mum) n. [NL., fr. Gr. meshmbri`a midday + 'a`nqos flower.] (Bot.) A genus of herbaceous or suffruticose plants, chiefly natives of South Africa. The leaves are opposite, thick, and feshy. The flowers usually open about midday, whence the name.

(Mes`en*ce*phal"ic) a. (Anat.) Of or pertaining to the mesencephalon or midbrain.

(||Mes`en*ceph"a*lon) n. [NL. See Meso- and Encephalon.] (Anat.) The middle segment of the brain; the midbrain. Sometimes abbreviated to mesen. See Brain.

(||Mes*en"chy*ma) n. [NL., fr. Gr. me`sos middle + -enchyma, as in E. parenchyma.] (Biol.) The part of the mesoblast which gives rise to the connective tissues and blood.

(Mes`en*ter"ic) a. [Cf. F. mésentérique.] (Anat.) Pertaining to a mesentery; mesaraic.

(||Mes*en"te*ron) n. [NL. See Meso-, and Enteron.] (Anat.) All that part of the alimentary canal which is developed from the primitive enteron and is lined with hypoblast. It is distinguished from the stomodæum, a part at the anterior end of the canal, including the cavity of the mouth, and the proctodæum, a part at the posterior end, which are formed by invagination and are lined with epiblast.

(Mes"en*ter*y) n. [Gr. mesente`rion, me`sos + 'e`nteron intestine: cf. F. mésentère.]

1. (Anat.) The membranes, or one of the membranes (consisting of a fold of the peritoneum and inclosed tissues), which connect the intestines and their appendages with the dorsal wall of the abdominal cavity. The mesentery proper is connected with the jejunum and ilium, the other mesenteries being called mesocæcum, mesocolon, mesorectum, etc.

2. (Zoöl.) One of the vertical muscular radiating partitions which divide the body cavity of Anthozoa into chambers.

(Mes`e*ra"ic) a. (Anat.) Mesaraic.

(Mes*eth"moid) a. [Mes- + ethmoid.] (Anat.) Of or pertaining to the middle of the ethmoid region or ethmoid bone.n. (Anat.) The median vertical plate, or median element, of the ethmoid bone.

  By PanEris using Melati.

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