5« ANOREAE VESALII BRVXt-tLENSIS 
uulus pcrinde cordi a lcxto ccrcbri iicruoruni pari cxhibcatur j-quctnadmodum rcliqius uifcC' 
ribusuniucr(!Soffcrridoccbimus:acdeindcquunicorclisncruulusmaximcgracilis!itjproiTi' 
pte colligiturjCor nc finiftro quidcm fexti paris ncruorum cerebri ncruo principium dare. tan 
tum abcttjquod ca:terorura neruorum origo ncruulus ille iudicari poffit.Prxtcrca fibrc quas 
cordis fubftantia; intcrtcxtas nouimus,non magis ncrui lunt^quam aliorum organorum,pu^ 
tauentriculijintcftinorumjUcnartiniac artcriarum fibra;. Adhxc, ^fibrxincordisfmibus jj^^^'^ 
iientriculis uc confpicua; excarncs'quc,quia duntaxat membran arum proccflus iunt , in ncr- h cr s/ij. 
uorum numero ctiain minime ueniuntreponcndx.Nam fibra: in dextro cordis ucntriculo fc G,iijiiii e, 
bfFerentcs,trium membranarum proccftLis ccnfcntur,ucncc caux orificio pracfcdarum.Fibra: 
autem in l7niftro cordis uentriculo apparcntcSjproceniili funt duarum mcmbranarum , quas 
artcria; uenalis orificiumfibi peculiarcs ucndicat. Prxtcrcaciufiiiodi fibrx no magis ncrui exi 
ftunt,quam omnium gencratim mcmbranaru partcs, quas quidcm ncrui nomineuulgi morc 
donarinihilprohibet,fimod6idadligamcnta,tcndincs,mcmbranas & neruos,de quibus 
iam lcrmoncm inftituimus,deducitur. Vcrum quum eiufinodi cordis fibrp ncutiquam in co' 
rumncruorum clalTcm referendx fint,qui animalcm fpiritum tanquam riuuli quidam ad coiv 
poris partcs pcrfcrunt,annucndum quoquc cft,fibrarum illarum gratia in cordc ncruos rcccii 
^ , ^ lcrihaudpolTc,potilTimuiTiquandoabillismembranarumproccHibus cxtra cordis fubftan- 
ci"Tcmlri ''3"^ prorlus alio cducatur. Cxterumqui cx" duracraflaucccrcbri mcmbranancr' 
Tnmirujid mi uorum origiiicm penderc affirmarunt(in quorum choro ad extremum ufquc fenium fuit Hra.- ,j;,H,H. 
., fiftratus)cxtcriorcm nerui partem duntaxat confpcxcrc a duracerebri menibrana enatam . . 
tS^mrmis"' niufcuiufquccnim ncruinatura ' triplici conftat !ubftantia,nimirum mcdiaquadam&intimx .^'ii,. 
c^nifin. arborum mcdulla; quam fimiliiTia,qux haud dubie a ccrebro initium ducit,conftipatx Ss^ coa j>.>- 
gulaixinduratxquecerebri fubftantix omnino rcfpondcns . extcrioribus duabus, uiiaca^ c ^ 
dcmquc intimx fubftantixpropinquiori.quam a tenui membrana ccrebri:alta'a,quam a du j^.o^ 
ra oriri compcrtum habemus.Dura cnim cralTauc ccrcbri mcbranaoperieiidi potiflimum oc- o. 
cafioncfaclaccnlciur: mollisautcm,uteodcmetiamfungeretur muncrc,lcdmagis tamen ut 
omniaquxccrcbrocontincnturuafcula&rcccptacula,artcriasfcilicet & uenas tutb coUiga- 
rct.Qiiemadmodum itaquc ccrcbrum his induinir,ficquoqucprocc(Tusaccrcbropropagati 
(ipfinimirumncrui)illisintcguntur,atqucitapcr corporispartcsprorepunt.Adeofancutnc- 
, . mofuisoculisfidcranonderogans,inficiariponit,ncruorum principium a ccrebro pcndcrc; 
iimmsjniTnd ac proinucctiain uixambigcrelicet,num neruisa ccrebro, anuero a cordc animjalis Ipiritus, 
Us^rAcsmr. qucm pavtibus dcducunt,influat . Qiiandoquidcm nonnuHi(utintn' cxteros Chryfippus) 
ctiamficcrcbrumncruorumdarentcn"eprincipiura,nontamcnidneruisfenlus motuscp arbi- , , . 
trarii principium ftatucbanr . Qiios profc(ft6 uiua fccflio plus fatis redarguit , in qua'omnia a ^^^^^ 
cordc ad ccrcbrum pcrtinentia colliduntur,aut laqueis intcrcipiuntur,aut ctiam prxfccantur. Are ollm- 
H.tcnanqucfidcbiteadminiftrctiirjUtiinpublicislciSionibus non fcmcla me tentatumcft, «iitft.fei 
edoccbit lanc quan tum cordis muncrc,hoc eft uitali fpiritu,ccrcbrum indigcat:non minus fci 
licct quam corilluiTiqucrainfpiramusai:rcm,&iccorislanguincmad (lia ofticiacxigit. Dcin 
ca fcAio oftcndctcor neruis no magis animalc fpiritum porrigcre, quara uitalcm fpiritu cordi 
aiccorcdcducicogiTofcimus.Vcruraquiahuiufinodi difccptatio ad cordis cerebriq;hiftoria ^^^j^^ 
nimim poti^l^ Ij-i^^^d iieruoruiTi naturam Ipcdat , hacmodo poftpofita, neruorum proprie dicTo- ,g, 
dffrrmid, « runidiPicrcntiasaggrcdicmur, Quemadraodumigiturccrcbri&cxipfo pronafccntismc- '•tr'ida« 
„u>/liae o- dullxdorfalis fublfantia,omnicxpartcnoneandemferuatduriticm,ncqucformara : itaqiiocp ^''^ 
ritie^fudrum ^ originciTi fuiTicntes , inuiccm fubftantia iion correfpondcnt,fcd duritie ac mollitic ^jf „j g. 
clmma^ner, plurimum uariant. Atqucid accidit aut occafioncfi.ibftantix fui,a quo iicrui prodcunt,princi- fi,-. fi.u. 
uarS differen, pi^j .Huius ciiim gratia'" uiforii ncrui,pcrindcac " lingux infigniter molles cenfcntur : qui au- oi/ig caj) 
temadorfalimedulla,°ubiha'c in lacro ollc confiftit, origincm fortiuntur, durilTimi funt. jr. 
Dcindc aut proptcr longiorem ucl fuccintTtiorcm progreHi.im,nerLiiautmolIiorcs aut du- ri,,fi.up. 
riorcs compcriuntur. uifus nanque^ouftus^&auditus^^neruimoUcsfuntjquodbretiiftimo "•''^■'■'=- 
• 11 r- • • • • ' • - c n r • S',:fi.up. 
prorcpant mtcruallo.Liratia inncris uero, uix qucantractuum occalione icrti) ncruorum ccre ^ 55 
briparis ''rarausuitis,autcucurbitx caprcoli inftar iiiuolutus durior cuadit.Prxtercancrui ti,:fi.ap. 
pcrdururaautraollc,autficcum corpus tranfitus , eius'uc corporis contaiftus,ilIum mollio- - 
rcmuelduriorem efticit. Viforius ctenimncruusbrcuinimoductupcr^foraracn inolfecxla- '" 
tum fcrtur,quemadmodum & ' prxcipua quoquc tcrti) neruoru:,! ccicbri paris portio , qux x:fig Mp. 
idcirco cx oftium contaclu minimura induratur. At quinti ncruorum paris ' furculus,qui" cx ' °: 
cumilludtortuofuiTi'qucforamciipcrrcptat, &" uiius tcrtij paris neruorum ccrcbri ramulus 
ab ocu- 
