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
||f&?;eshy. 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 (?; 277), 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.
Mesh (msh), n. [AS. masc, max, mæscre; akin to D. maas, masche, OHG.
masca, Icel. möskvi; cf. Lith. mazgas a knot, megsti to weave nets, to
knot.] 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. (Gearing) 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.
Mesh, v. t. [imp. & p. p. Meshed (?); p. pr. & vb. n. Meshing.] To
catch in a mesh. Surrey.
Mesh, v. i. (Gearing) To engage with each other, as the teeth of
wheels.
Meshed (?), a. Mashed; brewed. [Obs.] Shak.
Mesh"y (?), a. Formed with meshes; netted.
Mes"i*ad (?), adv. [Gr. me`sos middle + L. ad to.] (Anat.) Toward, or
on the side toward, the mesial plane; mesially; -- opposed to laterad.
Me"sial (?; 277), a. [Gr. me`sos middle.] (Anat.) Middle; median; in,
or in the region of, the mesial plane; internal; -- opposed to lateral.
Mesial plane. (Anat.) See Meson.
Me"sial*ly, adv. (Anat.) In, near, or toward, the mesial plane; mesiad.
Mes"i*tyl (?), n. (Chem.) A hypothetical radical formerly supposed to
exist in mesityl oxide.
Mesityl oxide (Chem.), a volatile liquid having the odor of peppermint,
obtained by certain dehydrating agents from acetone; -- formerly called
also dumasin.
Me*sit"y*le*nate (?), n. (Chem.) A salt of mesitylenic acid.
Me*sit"y*lene (?), n. (Chem.) A colorless, fragrant liquid, C6H3(CH3)3,
of the benzene series of hydrocarbons, obtained by distilling acetone
with sulphuric acid. -- Me*sit`y*len"ic (#), a.
Me*sit"y*lol (?), n. [Mesitylene + -ol.] (Chem.) A crystalline
substance obtained from mesitylene.
Mes"lin (? or ?), n. See Maslin.
Mes`mer*ee" (?), n. A person subjected to mesmeric influence; one who
is mesmerized. [R.]
{ Mes*mer"ic (?), Mes*mer"ic*al (?), } a. [Cf. F. mesmérique.] Of,
pertaining to, or induced by, mesmerism; as, mesmeric sleep.
Mes"mer*ism (?), n. [From Mesmer, who first brought it into notice at
Vienna, about 1775: cf. F. mesmérisme.] The art of inducing an
extraordinary or abnormal state of the nervous system, in which the
actor claims to control the actions, and communicate directly with the
mind, of the recipient. See Animal magnetism, under Magnetism.
Mes"mer*ist, n. One who practices, or believes in, mesmerism.
Mes`mer*i*za"tion (?), n. The act of mesmerizing; the state of being
mesmerized.
Mes"mer*ize (?), v. t. [imp. & p. p. Mesmerized (?); p. pr. & vb. n.
Mesmerizing (?).] To bring into a state of mesmeric sleep.
Mes"mer*i`zer (?), n. One who mesmerizes.
Mesne (?), a. [Cf. Mean intermediate.] (Law) Middle; intervening; as, a
mesne lord, that is, a lord who holds land of a superior, but grants a
part of it to another person, in which case he is a tenant to the
superior, but lord or superior to the second grantee, and hence is
called the mesne lord.
Mesne process, intermediate process; process intervening between the
beginning and end of a suit, sometimes understood to be the whole
process preceding the execution. Blackstone. Burrill. -- Mesne profits,
profits of premises during the time the owner has been wrongfully kept
out of the possession of his estate. Burrill.
{ Mes"o- (?), Mes- (?) }. [Gr. me`sos in the middle.] A combining form
denoting in the middle, intermediate; specif. (Chem.), denoting a type
of hydrocarbons which are regarded as methenyl derivatives. Also used
adjectively.
||Mes`o*a"ri*um (?), n. [NL., from Gr. me`sos middle + 'w,a`rion, dim.
||of 'w,o`n an egg.] (Anat.) The fold of peritoneum which suspends the
||ovary from the dorsal wall of the body cavity.
Mes"o*blast (?), n. [Meso- + -blast.] (Biol.) (a) The mesoderm. (b) The
cell nucleus; mesoplast.
Mes`o*blas"tic (?), a. (Biol.) Relating to the mesoblast; as, the
mesoblastic layer.
Mes`o*bran"chi*al (?), a. [Meso- + branchial.] (Zoöl.) Of or pertaining
to a region of the carapace of a crab covering the middle branchial
region.
||Mes`o*bron"chi*um (?), n.; pl. Mesobronchia (#). [NL. See Meso-, and
||Bronchia.] (Anat.) The main bronchus of each lung.
||Mes`o*cæ"cum (?), n. (Anat.) [NL. See Meso-, and Cæcum.] The fold of
||peritoneum attached to the cæcum. -- Mes`o*cæ"cal (#), a.
Mes"o*carp (?), n. [Meso- + Gr. karpo`s fruit.] (Bot.) The middle layer
of a pericarp which consists of three distinct or dissimilar layers.
Gray.
Mes`o*ce*phal"ic (?), a. [Meso- + cephalic.] (Anat.) (a) Of or
pertaining to, or in the region of, the middle of the head; as, the
mesocephalic flexure. (b) Having the cranial cavity of medium capacity;
neither megacephalic nor microcephalic. (c) Having the ratio of the
length to the breadth of the cranium a medium one; mesaticephalic.
||Mes`o*ceph"a*lon (?), n. [NL. See Meso-, and Cephalon.] (Anat.) The
||pons Varolii.
Mes`o*ceph"a*lous (?), a. (Anat.) Mesocephalic.
{ Mes`o*cœ"le (?), ||Mes`o*cœ"li*a (?), } n. [NL. mesocoelia. See
Meso-, and Cœlia.] (Anat.) The cavity of the mesencephalon; the iter.
Mes`o*co"lon (?), n. [NL., fr. Gr. &?;; me`sos middle + &?; the colon :
cf. F. mésocôlon.] (Anat.) The fold of peritoneum, or mesentery,
attached to the colon. -- Mes`o*col"ic (#), a.
Mes`o*cor"a*coid (?), n. [Meso- + coracoid.] (Anat.) A process from the
middle of the coracoid in some animals.
{ Mes`o*cu*ne"i*form (?), Mes`o*cu"ni*form (?), } n. [Meso- +
cuneiform, cuniform.] (Anat.) One of the bones of the tarsus. See 2d
Cuneiform.
Mes"o*derm (?), n. [Meso- + Gr. de`rma skin.] (Biol.) (a) The layer of
the blastoderm, between the ectoderm and endoderm; mesoblast. See
Illust. of Blastoderm and Ectoderm. (b) The middle body layer in some
invertebrates. (c) The middle layer of tissue in some vegetable
structures.
Mes`o*der"mal (?), a. (Biol.) Pertaining to, or derived from, the
mesoderm; as, mesodermal tissues.
Mes`o*der"mic (?), a. Same as Mesodermal.
Mes"o*dont (?), a. [Meso- + Gr. 'odoy`s, 'odo`ntos, a tooth.] (Anat.)
Having teeth of moderate size.
||Mes`o*gas"ter (?), n. [NL., fr. Gr. me`sos middle + &?; belly.]
||(Anat.) The fold of peritoneum connecting the stomach with the dorsal
||wall of the abdominal cavity; the mesogastrium.