Part 5271

<cs><col>Heterologous stimulus</col>. <fld>(Physiol.)</fld> <cd>See under <er>Stimulus</er>.</cd> -- <col>Heterologous tumor</col> <fld>(Med.)</fld>, <cd>a tumor differing in structure from the normal tissues of the body.</cd></cs>

<h1>Heterology</h1> <Xpage=690>

<hw>Het`er*ol"o*gy</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Hetero-</ets> + <ets>-logy</ets>.]</ety> <p><b>1.</b> <fld>(Biol.)</fld> <def>The absence of correspondence, or relation, in type of structure; lack of analogy between parts, owing to their being composed of different elements, or of like elements in different proportions; variation in structure from the normal form; -- opposed to <i>homology</i>.</def>

<p><b>2.</b> <fld>(Chem.)</fld> <def>The connection or relation of bodies which have partial identity of composition, but different characteristics and properties; the relation existing between derivatives of the same substance, or of the analogous members of different series; <as>as, ethane, ethyl alcohol, acetic aldehyde, and acetic acid are in <ex>heterology</ex> with each other, though each in at the same time a member of a distinct homologous series</as>. Cf. <er>Homology</er>.</def>

<h1>Heteromera</h1> <Xpage=690>

<hw>Het`e*rom"e*ra</hw> <tt>(?)</tt>, <tt>n. pl.</tt> <ety>[NL., fr. Gr. <?/ other + <?/ part.]</ety> <fld>(Zo\'94l.)</fld> <def>A division of Coleoptera, having heteromerous tarsi.</def>

<h1>Heteromerous</h1> <Xpage=690>

<hw>Het`er*om"er*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[See <er>Heteromera</er>.]</ety> <p><b>1.</b> <fld>(Chem & Crystallog.)</fld> <def>Unrelated in chemical composition, though similar or indentical in certain other respects; <as>as, borax and augite are hom\'d2morphous, but <ex>heteromerous</ex></as>.</def>

<p><b>2.</b> <fld>(Bot.)</fld> <def>With the parts not corresponding in number.</def>

<p><b>3.</b> <fld>(Zo\'94l.)</fld> <sd>(a)</sd> <def>Having the femoral artery developed as the principal artery of the leg; -- said of certain birds, as the cotingas and pipras.</def> <sd>(b)</sd> <def>Having five tarsal joints in the anterior and middle legs, but only four in the posterior pair, as the blister beetles and oil beetles.</def>

<h1>Heteromorphic</h1> <Xpage=690>

<hw>Het`er*o*mor"phic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Hetero-</ets> + Gr. <?/ form.]</ety> <fld>(Biol.)</fld> <def>Deviating from the normal, perfect, or mature form; having different forms at different stages of existence, or in different individuals of the same species; -- applied especially to insects in which there is a wide difference of form between the larva and the adult, and to plants having more than one form of flower.</def>

<h1>Heteromorphism, Heteromorphy</h1> <Xpage=690>

<hw><hw>Het`er*o*mor"phism</hw> <tt>(?)</tt>, <hw>Het`er*o*mor"phy</hw> <tt>(?)</tt>,<hw> <tt>n.</tt> <fld>(Biol.)</fld> <def>The state or quality of being heteromorphic.</def>

<h1>Heteromorphous</h1> <Xpage=690>

<hw>Het`er*o*mor"phous</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Biol.)</fld> <def>Heteromorphic.</def>

<h1>Heteromyaria</h1> <Xpage=690>

<hw>Het`e*ro*my*a"ri*a</hw> <tt>(?)</tt>, <tt>n. pl.</tt> <ety>[NL., fr. Gr. <?/ other + <?/ a muscle.]</ety> <fld>(Zo\'94l.)</fld> <def>A division of bivalve shells, including the marine mussels, in which the two adductor muscles are very unequal. See <er>Dreissena</er>, and <i>Illust</i>. under <er>Byssus</er>.</def>

<h1>Heteronereis</h1> <Xpage=690>

<hw>Het`e*ro*ne*re"is</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL. See <er>Hetero-</er>, and <er>Nereis</er>.]</ety> <fld>(Zo\'94l.)</fld> <def>A free-swimming, dimorphic, sexual form of certain species of Nereis.</def>

<note>&hand; In this state the head and its appendages are changed in form, the eyes become very large; more or less of the parapodia are highly modified by the development of finlike lobes, and branchial lamell\'91, and their set\'91 become longer and bladelike.</note>

<h1>Heteronomous</h1> <Xpage=690>

<hw>Het`er*on"o*mous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Hetero-</ets> + Gr. <grk>no`mos</grk> law.]</ety> <def>Subject to the law of another.</def>

<i>Krauth-Fleming.</i>

<h1>Heteronomy</h1> <Xpage=690>

<hw>Het`er*on"o*my</hw> <tt>(?)</tt>, <tt>n.</tt> <p><b>1.</b> <def>Subordination or subjection to the law of another; political subjection of a community or state; -- opposed to <i>autonomy</i>.</def>

<p><b>2.</b> <fld>(Metaph.)</fld> <def>A term applied by Kant to those laws which are imposed on us from without, or the violence done to us by our passions, wants, or desires.</def>

<i>Krauth-Fleming.</i>