MICRANTRUS 



762 



MACROCRYSTALLINE 



Micrantrus (mi-kran'-trus) [/uinpoq, small ; avrpov, 

 cave]. Lissauer' s term for a skull in which a perpen- 

 dicular from the most prominent point of the frontal 

 torus upon the radius fixus is not more than 4 mm. in 

 front of that from the nasion. 



Micrencephalon, Micrencephalium (mi-kren-sef'-al- 

 on, mi-kren-sef-a' '-le-um) [fiacpog, small ; kyuetyaXoq , 

 brain]. I. A small brain, as in cretinism. 2. Syno- 

 nym of Cerebellum. 



Micrencephalous (mi-kren-sef / -al-us) \_funp6q, small ; 

 eynecpa/.oq, brain]. Having a small brain. 



Micrencephalus (mi-kren-sef -al-us) \_puKpoq, small ; 

 eyice<j>a?i.og, encephalon]. Lissauer's term for a skull 

 in which the angle formed between lines drawn from 

 the hormion to the nasion and to the inion respectively 

 is between 129 and 142. 5 . 



Micrencranus (mi-kren-kraS -nus) \jwip6q, small ; ev, 

 in ; Kpaviov, skull]. Lissauer's term for a skull with a 

 cerebellar sector of from 8.5 to 15 . 



Micristology (mi-kris-tol' '-o-je). See Histology. 



Micro- (mi'-kro-. Mik f -ro-, from an etymologic point 

 of view, would seem preferable to mi'-kro-, but the 

 balance of authorities is certainly in favor of the latter 

 pronunciation.) \_p.uipoq, small]. I. A prefix signifying 

 minute. 2. Also, a prefix occasionally used to signify 

 a unit one-thousandth or one-millionth part of the unit 

 to which it is prefixed. 



Microanatomy (mi-kro-an-af '-o-me). See Micranatomy . 



Microaudiphone (ini-kro-atu' -dif-on) \_utnp6q, small ; 

 audire, to hear ; cpovq , voice] . An instrument used for 

 rendering audible sounds that are very slight. 



Microbacteria (mi-kro-bak-te' -re-ah). See Bacteria. 



Microbe (mi'-krob) \juK.poq, small; (iioq, life]. The 

 generic name for microorganisms, whether animal 

 or vegetable. In ordinary use the term microbe is 

 equivalent to schizomyces, and designates a vegetable 

 microorganism. See Microorganism . 



Microbial, Microbian, Microbic (mi-kro' -be-al, mi- 

 kro' -be-an, mi-kro' -bik) \jiiK.poq, small ; (iioq, life]. 

 Pertaining to microbes. 



Microbicide (mi-kro' -bis-ld) [(iiupdq, small; (3!oq, life; 

 ccedere, to kill]. 1. Destructive to microbes. 2. An 

 agent that destroys microbes. 



Microbiohemia (mi-kro-bi-o-hem' -e-ah) \jiiK.pbq, small ; 

 fiioq, life; alfia, blood]. A diseased condition re- 

 sulting from the presence of microorganisms in the 

 blood. 



Microbiology (mi-kro-bi-ol' -o-je) \jiiKp6q, small, little ; 

 (iioq, life ; 16yoq, science]. Bacteriology, or the science 

 of microorganisms. 



Microbion, Microbium (mi-kro' -be-on, mi-kro' '-be-um). 

 Same as Microbe. 



Microblast (mi' ' -km-blast) [/«/cp<5c, small ; fiTiaardq, 

 germ]. An immature blood-corpuscle. 



Microblepharia, Microblepharon (mi-kro-blef-a' -re- 

 ah, mi-kro-blef '-ar-on) [lunpoq, small ; (itiefapov, lid]. 

 Abnormal smallness of the eyelids. 



Microbrachius (mi - kro - bra'- ke - us) \_fwip6q, small ; 

 fjpaxiuv, arm]. Congenital smallness of the arms. 



Microbrachycephalia (mi - kro - bra -ke - sef- a'- lc - ah) 

 [funpor, small ; (ipax'vq, short ; Kityakr), head]. Brachy- 

 cephalia combined with microcephalia. 



Microcardia (mi-kro-kar' -de-ah) \juKp(>q, small ; mpAia, 

 heart]. Congenital smallness of the heart. 



Microcaulia (mi-kro-kaw' -le-ah) [fiiKpoq, small ; Kavk6q, 

 penis]. Abnormal or congenital smallness of the 

 penis. 



Microcephal (mi-kro-sef f -al) \_/uKp6q, small ; KetyaXf/, 

 head]. A person affected with microcephaly. 



Microcephalia (mi-kro-sef-a' -le-ah) . See Microcephaly. 



Microcephalic (mi-kro-sef-a/' -ik) [fw<p6q, small; ne- 

 tyakii, head]. Having a small head. 



Microcephalism (mi-kro-sef* '-al-izm). Synonym of 

 .. Microcephaly. 



Microcephalon (mi-kro-sef '-al-on) \_fiiitp6q, small; ne- 

 <j)a'/.i/, head]. An abnormally small head. 



Microcephalous (mi-kro-sef f -al-us) \_p.inp6q, small ; 

 KF.<paA.T/, head]. Having a small head ; in botany, 

 having flowers arranged in small heads. 



Microcephaly (mi-kro-sef f -ale) [fitnpoq, small; KE^alij, 

 head]. Abnormal smallness of the head. 



Microcheilia (mi-kro-ki' -le-ah) \jwipoq, small ; xu7.or_, 

 lip] . Abnormal congenital- smallness of the lips. 



Micro-chemistry (}>ii-kro-kem'-is-tre) \_funp6q, small; 

 X'/^eia, chemistry]. The chemic investigation of the 

 more minute substances of nature. Also, the study 

 of chemic reactions, in which a drop each of the re- 

 agent and the substance to be tested are made to 

 coalesce on a porcelain or glass plate, the reaction being 

 observed under a microscopic objective of low power. 



Microcidin (mi-kro-si'-din) \juKpoq, small ; ctcdcre, to 

 kill]. A fine white powder resulting from heating 

 naphthol-/? to liquefaction, and adding half its weight 

 of caustic soda. It is said to be a good antiseptic, ten 

 times more powerful than phenol and twenty times 

 more powerful than boric acid, and has but feeble toxic 

 qualities. Internally it may be given in doses of from 

 10 to 30 grains per diem. Unof. 



Microclysm (mi'-kro-klism) [funpoq, small ; k'/vchu, 

 clyster] . A small clyster ; a clyster effective in small 

 amounts. 



Micrococcus (mi-kro-kok' -us) \juKpoq, small ; m 

 kernel]. A genus of schizomycetous microorganisms, 

 having spheric elements, isolated, united in two's 

 or in larger numbers, or disposed in chaplets, or 

 masses of zooglea. Sometimes they are united in such 

 a way as to resemble a bunch of grapes and are then 

 called Staphylococci. When united in couples they 

 are called Diplococci. If arranged in strings or chap- 

 lets they are called Streptococci. Certain species 

 are pathogenic, others are chromogenic, others have a 

 fermentative action, and some no discoverable func- 

 tion. See Bacteria, Synonymatic Table of 



Microconidium (mi-kro-kon-id' -e-um) [uinpdq, small ; 

 Kdviq, dust: pi. , Microconidia\ In biology, a rela- 

 tively small-sized conidium. 



Microcoria (mi-kro- ko' -re-ah) \jiiKp(>q, small; n6pr], 

 pupil]. Same as Miosis. 



Microcornea (tni-kro-kor' -ne-ah) \_iunp6q, small ; cor- 1 

 neus, horny]. Abnormal smallness of the cornea. 



Microcosm (mi' '- kro - kozm) [umpdq, small; ki'ktuoc, 

 world]. Man in contradistinction to the universe, or 

 the macrocosm ; man considered as the epitome of 1 

 the cosmos. 



Microcosmic (mi-kro-koz / -mik) [ninp6q, small ; a 



world]. Pertaining to the microcosm. M. Salt, j 

 sodium-ammonium-hydrogen phosphate ; so called as 

 being derivable from human urine. 



Microcosmography (mi-kro-koz-mog' -ra-fe) [ 

 small; udo/inq, universe; ypd<petv, to write]. The 

 study of the microcosm, especially of man. 



Microcoulomb (mi-kro-koo' -lorn) [fiixpdq, small ; 

 lomb, a French physician]. One millionth of a 

 lomb. See Coulomb and Electric Units. 



Microcoustic (mi-kro-koios'-tik). Synonym of 

 coustic. 



Microcranious (mi-kro-kra / -ne-us). Synonym of Mt 

 croctpkalous. 



Microcrith (mi'-kro-krith) [/UKp6q, small ; />/)/"'. 

 ley]. A unit of molecular weight, equivalent to tin 

 weight of an atom of hydrogen. 



Microcrystalline (mi-hro-kris'-tal-in) [i/iKp6q, small 

 KpvaraX?jvoq, pertaining to a crystal]. Compo» 

 crystals of microscopic size. 



