Part 6989

<hw>Mes"o*sperm</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Meso-</ets> + Gr. <?/ seed: cf. F. <ets>m\'82sosperme</ets>.]</ety> <fld>(Bot.)</fld> <def>A membrane of a seed. See <er>Secundine</er>.</def>

<h1>Mesostate</h1> <Xpage=916>

<hw>Mes"o*state</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Meso-</ets> + Gr. <?/ to make to stand.]</ety> <fld>(Physiol.)</fld> <def>A product of metabolic action.</def>

<note>&hand; Every <i>mesostate</i> is either an <i>anastate</i> or <i>katastate</i>, according as it is formed by an anabolic or katabolic process. See <er>Metabolism</er>.</note>

<h1>Mesosternal</h1> <Xpage=916>

<hw>Mes`o*ster"nal</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Anat.)</fld> <def>Of or pertaining to the mesosternum.</def>

<h1>Mesosternum</h1> <Xpage=916>

<hw>Mes`o*ster"num</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Meso-</ets> + <ets>sternum</ets>.]</ety>

<p><b>1.</b> <fld>(Anat.)</fld> <def>The middle portion, or body, of the sternum.</def>

<p><b>2.</b> <fld>(Zo\'94l.)</fld> <def>The ventral piece of the middle segment of the thorax in insects.</def>

<h1>Mesotartaric</h1> <Xpage=916>

<hw>Mes`o*tar*tar"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Meso-</ets> + <ets>tartaric</ets>.]</ety> <fld>(Chem.)</fld> <def>Pertaining to, or designating, an acid called also <altname>inactive tartaric acid</altname>.</def>

<h1>Mesotheca</h1> <Xpage=916>

<hw>Mes`o*the"ca</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL., fr. Gr. <?/ middle + <?/ box.]</ety> <fld>(Zo\'94l.)</fld> <def>The middle layer of the gonophore in the Hydrozoa.</def>

<h1>Mesothelium</h1> <Xpage=916>

<hw>Mes`o*the"li*um</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL., fr. Gr. <?/ middle + E. epi<ets>thelium</ets>.]</ety> <fld>(Biol.)</fld> <def>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 c&oe;lum.</def>

<h1>Mesothoracic</h1> <Xpage=916>

<hw>Mes`o*tho*rac"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Zo\'94l.)</fld> <def>Of or pertaining to the mesothorax.</def>

<h1>Mesothorax</h1> <Xpage=916>

<hw>Mes`o*tho"rax</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Meso-</ets> + <ets>thorax</ets>: cf. F. <ets>m\'82sothorax</ets>.]</ety> <fld>(Zo\'94l.)</fld> <def>The middle segment of the thorax in insects. See <i>Illust</i>. of <er>Coleoptera</er>.</def>

<h1>Mesotrochal</h1> <Xpage=916>

<hw>Mes"o*tro`chal</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Meso-</ets> + Gr. <?/ anything round, a hoop.]</ety> <fld>(Zo\'94l.)</fld> <def>Having the middle of the body surrounded by bands of cilia; -- said of the larv\'91 of certain marine annelids.</def>

<h1>Mesotype</h1> <Xpage=916>

<hw>Mes"o*type</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Meso-</ets> + <ets>-type</ets>: cf. F. <ets>m\'82sotype</ets>.]</ety> <fld>(Min.)</fld> <def>An old term covering natrolite or <i>soda mesolite</i>, scolecite or <i>lime mesotype</i>, and mesolite or <i>lime-soda mesotype</i>.</def>

<h1>Mesovarium</h1> <Xpage=916>

<hw>Mes`o*va"ri*um</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL. See <er>Meso-</er>, and <er>Ovary</er>.]</ety> <fld>(Anat.)</fld> <def>The fold of peritoneum connecting the ovary with the wall of the abdominal cavity.</def>

<h1>Mesoxalate</h1> <Xpage=916>

<hw>Mes*ox"a*late</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Chem.)</fld> <def>A salt of mesoxalic acid.</def>