16 A-P1> MEflHUHHbl r. IOCII<I>OB%. 



Mbi HaiJAeMb uoA'b HnMn yrjiy6;ieHie, nanoiHeHHoe npospaiHot H!n;i,KOCTbK). Cpean 3toh npospaq- 

 uoH HtnAKOCTH HaxoAHTCfl JtHMtaTH^ecKoe cepAn,e, KOTopoe npn oSbiKHOBCHHbix'b ycjiOBifix'b 

 ee BHAHO. 



ripo MOHx-b Hscji'feAOBaHiflX'b, fl HanojHajiTb ero hh/ikoh KHTancKOH xymbio, qxo jierKoyAa- 

 Bajocb, A'feJiaa napeexHMaTosnyio neT.eKn,iK) xyuin B'b xojimy XBOCxa h saxtMij waccHpyfl no 

 iianpaBjenito kt^ xyjiOBumy. Hii^eitHpoBaHHoe cepii,ae HM-feexi mapooSpasHyio oopiwy; BejimEUSi 

 ero — Meebine 6y.iiaBonHOH rojoBKn ; oxx ero nepe^HeH nepH<i>epipi oxxoahxi AOBO.ibeo uinpoKifi 

 BbiBOAHOH npoxoKi, BDaAaiomm B'b XBOCTOByio Beey. rioqiH Bcer^a yAanajiocb npocji'feAHTb Jii!M<i>a- 

 THqecKifi cocyA'b, HAymiS oxi saAneS nepH«>epiH ao nepsaro XBOCxoeoro no3BOHKa, — cocyAt, 

 npHHOCflmin jiHMO'y kx cepAuy. ^ jflrymeKx, noAoSHaro cocyAa wkj-h pi .iHM*a xeiexi. lepesi 

 nopbi, naxoAfliuiflCH bi cxtHKaxi cepAua. IIoAoSHbixx nop-b bt> cx'fenK'fe JiHM<i'axHqecKaro cepAUa 

 flmepHn,bi a ne bha'£ji'i>, MOKAy x'Smtb cepAUe JieaaviTh B'b yrjiy^JieniH, OMbiBaeiviOM'b ji0m<i>oh, 

 noAoSHO TOMy, KaKb h y jiHrymeK'b. TaKHWb oSpasoM'b, MH'fe He yAajiocb p-feuinxb Bonpoca: 

 BJHBaexcfl JH jinM*a B'b cepAue xojibKO lepest npHHocflmifi j[HM<i>ax0qecKifi cocyA'b hjih, CBepx^ 

 xoro, B'b cxteKax'b ero HiMcfeioxcfl nopbi, npocji-feAnxb KOXopbiH He yAaexca. 



JlHM<i>axHqecKafl cucxeMa SpioraHoft hojiocxh fimepnubi noqxH xoacAecxBeHHa ch xaKoio ace 

 CHCxeMOH jiarymKH, xaK'b KaK'b oxjiaqie saKJioqaexca bi xoM'b, qxo y sui.epHu.'b H'fex'b M-feuiKa, 

 OKpyataiomaro nnmcBOA'b. IIocji'feAHiH npMeJKnx-b HenocpeACXBenHO K'b SojibmoMy 3a6pK)mnH- 

 HOMy M'fefflKy. ooaoSho npHMoii KnmK'fe. JlHM<i>aTHqecKie cocyAw xojicxoh khoikh h nmn,eBOAa 

 BnaAaiox'b nenocpeAcxBeHHO B'b SojibuiOH saSpiomHHHbiH M'femoK'b, a jinM<i>axHqecKie cocyAbi ate- 

 jyAKa H xoHKHxt KHineK'b B'b nepHBacKyjiapHbia npocxpaHcxBa — oxpocxKn saSpromnnHaro 

 M'femKa, OKpyatawmie KpoBCHOCHbie cocyAbi, HAymie K'b jKeiyAKy h xoHKHM'b KnniKaM'b 

 (cm. pnc, 6). 



SaSpiomHHHbin M'feniOK'b, OKpyacaa aopxy, Aocxnraex'b men n SA'fecb pacmenjiaexcH Ha ABa 

 oxpocxKa, cooTBtxcxBeHHO npaBOH H Ji'feBofi aopx-fe. IIleHHbie oxpocxKH 3a6pK)mHHHaro M-femKa 

 OKaHqHBawxca ocoobuin paciuHpeHiaMH ani^eBBAHOH 4>opMbi, Koxopbui Jie»;ax'b BnepeAR opeA- 

 cepAin H KHyxpn ox'b apeMHbix'b Ben'b, Ch KoxopbiMH ohh cooSmawxca. 3xh aHueBnAHbia pac- 

 rnHpenia, Koxopbin mw iiaaoBeai'b menHbimn jHM«>axHqecKBMH M'tmKaMH, cjiyatax'b A-ia nepeAaMH 

 jiHM*bi B'b KpoBeHOcnyio CHCxeiwy, saivi'iiHaa co6oio nepeAHia jiHMoaxnqecKia cepAua. Brn meS- 

 Hbie M'femKH cpameHbi ciy AopsajibHoi cxopoHbi cl HaqajibHWMH aopxaivm, a ch BBHxpajibHOH — 

 Ch meHHbiMH MbiumaMH. Cx'feHKPi HX'b He coAepJKax'L Mbimeqiibix'b BOJioKOH'b, no3xoMy coKpa- 

 maxbca HJIH nyjibcnpoBaxb oh'6 He MoryxX). HepexoA'b JHM<i>bi B'b Benbi h3'L 3XHX'b M'feniKOB'b 

 MOWHO o6'bacHHXb xaKHM'b o6pa30M'b: JiHM<i>axHqecKie M'femKH cpaiiJ,eHbi ci, oahoh cxopoHbi ch 

 HaqajibHbiMH aopxaivin, a ci, Apyron — cb raeHHbiMH Mbimn,aMH — opraHaMH, nocxoaHHO hsm'I- 



HaiOmHMH CBOH oS^CMT), CJl'feAOBaxeJIbHO, M'femKH XaKHte AOJIJKHbl H3M'feHflXb CBOH 06'beM'b, X. e. 



naccHBHO cffiHMaxbca h pacmnpaxbca. 



Ha M-fecxi; coo6m,eHia MfemKOB'b cb apeMHbiMH BenaMH naxoAaxca nojiyjynHbie KJiananbi, 

 AOiiycKaK)ii;ie ncxeqenie ji0M<i>bi bt> npoBb, ho ho o6paxHO. HxaK'b, ABRatenic jibm^h uponcxo- 



