Chapter Mesogaster to Meta- of M by Webster's Dictionary (1913 Edition)

Every mesostate is either an anastate or katastate, according as it is formed by an anabolic or katabolic process. See Metabolism.

Mesosternal
(Mes`o*ster"nal) a. (Anat.) Of or pertaining to the mesosternum.

Mesosternum
(||Mes`o*ster"num) n. [Meso- + sternum.]

1. (Anat.) The middle portion, or body, of the sternum.

2. (Zoöl.) The ventral piece of the middle segment of the thorax in insects.

Mesotartaric
(Mes`o*tar*tar"ic) a. [Meso- + tartaric.] (Chem.) Pertaining to, or designating, an acid called also inactive tartaric acid.

Mesotheca
(||Mes`o*the"ca) n. [NL., fr. Gr. me`sos middle + box.] (Zoöl.) The middle layer of the gonophore in the Hydrozoa.

Mesothelium
(||Mes`o*the"li*um) n. [NL., fr. Gr. me`sos middle + E. epithelium.] (Biol.) Epithelial mesoderm; a layer of cuboidal epithelium cells, formed from a portion of the mesoderm during the differetiation of the germ layers. It constitutes the boundary of the cœlum.

Mesothoracic
(Mes`o*tho*rac"ic) a. (Zoöl.) Of or pertaining to the mesothorax.

Mesothorax
(Mes`o*tho"rax) n. [Meso- + thorax: cf. F. mésothorax.] (Zoöl.) The middle segment of the thorax in insects. See Illust. of Coleoptera.

Mesotrochal
(Mes"o*tro`chal) a. [Meso- + Gr. anything round, a hoop.] (Zoöl.) Having the middle of the body surrounded by bands of cilia; — said of the larvæ of certain marine annelids.

Mesotype
(Mes"o*type) n. [Meso- + - type: cf. F. mésotype.] (Min.) An old term covering natrolite or soda mesolite, scolecite or lime mesotype, and mesolite or lime-soda mesotype.

Mesovarium
(||Mes`o*va"ri*um) n. [NL. See Meso-, and Ovary.] (Anat.) The fold of peritoneum connecting the ovary with the wall of the abdominal cavity.

Mesoxalate
(Mes*ox"a*late) n. (Chem.) A salt of mesoxalic acid.

Mesoxalic
(Mes`ox*al"ic) a. [Mes- + oxalic.] (Chem.) Pertaining to, or designating, an acid, CH₂O₂(CO₂H)₂, obtained from amido malonic acid.

Mesozoa
(||Mes`o*zo"a) n. pl. [NL. See Mesozoic.] (Zoöl.) A group of very lowly organized, wormlike parasites, including the Dicyemata. They are found in cephalopods. See Dicyemata.

Mesozoic
(Mes`o*zo"ic) a. [Meso- + Gr. life, fr. to live.] (Geol.) Belonging, or relating, to the secondary or reptilian age, or the era between the Paleozoic and Cenozoic. See Chart of Geology.

Mesozoic
(Mes`o*zo"ic), n. The Mesozoic age or formation.

Mesprise
(Mes*prise") n. [OF. mespris, F. mépris. See Misprize.]

1. Contempt; scorn. [Obs.]

2. [Perh. for F. méprise mistake. Cf. Misprision.] Misadventure; ill-success. [Obs.] Spenser.

Mesquite
(Mes*qui"te) Mesquit
(Mes*quit") (mes*ket"), n. [Sp. mezquite; said to be a Mexican Indian word.] (Bot.) A name for two trees of the southwestern part of North America, the honey mesquite, and screw-pod mesquite.