ANDRBAE VESALII BRVXELLENSIS ' 
cerebrum eWgatur utcunquc intuearis.ac dein acutiori cultcllc* illis propaginibus afuo finu W 
beraiiSi eam durx mcmbrancc partem aTeptofediumolfaflusorganorum libcrcs,acucluti |^ ^^^^ ^ 
excercbroclcilatamin poftcriora rcflciftas.ipfius" finu quiuehaiinftariotiinfcriori ipfiuslc' hh.i... 
dicxporrigitur in(pc(flo. Cuius origo,ut &ca'tcrorum omnium,paulop6ft iri propalulum ^tf' F f 
ucnict. Nunc autcm dudlus in tcnuem mcmbranam excurrentes, ipfacp nicmbrana infpicicn- i^"™*'"' 
tur. Vbi itacpnuperdiflamdura; membrana:paricm in poftcriora rcflexcris,ac Uti-anquc cc 
rcbripartemdifiunxcris,'Iongos!ntenuimcmbranadu(flusintueberc,quipcrcapitislongitu ifiga.t^ 
dincm in illam ex quarti dunc mcmbrana; finus termino producuntur.Horum ortus in prac. 
Crniia curiofius non uenit inquircndus,ne fortaflis quum cerebrum nimium ftudes difiunge- 
re,aliquid iricuriarumpas. Alia's cnim hortaro', ututraquc cctebriparte quam maximein po 
ftcriori icde difiun(fla,duram mcmbranam qua cercbri partcs intcrcederc incipit,quam pollcs 
proxinie ab ' illa durac mcmbranac partc, qua; ccrcbellum ac ccrcbrum in terucnir, acutioris cul ^ q q 
lelli mucronc diuidcres. tunc cnim ' quarius libi apparcrct fiiius,&; quas illc educii" propagi. hfig.T. 
nes.Dcindcetiam cercbro a dura mcmbrana,qua; id & cercbcllum intcrccdit,modicccleuato, "fi- >4 
ram uli ex illius durai meiTibrana: parte in tcnuem ccrcbri membranam cxporrc(fti uifercntur. j'^ 
Vcrumharcccrcbriportioncablatainfpicere longceritfaiius. acproindcillisduflibusquifc' 
trMjricerc- cunduiTi capitis longitudinciTi m tcnui mcmbrana iupra callolumcorpus tcrunturexpcnlis, *' 
iri rriiolutio- unguibus, aut cultcllo alicubi tciiucifi mcmbraiwdiucllcs,acdcindcfcnfiiTiaccrcbroipfiusq5 
miisduul/ib. "antraftibuscamdigiiisdctrahcs.Cercbruhaclibcraiumcmbranafuosoftcndiianfradusrar °^fiz"- ^ 
gumcnlD^cft.qui a tcnuimembranacoiincatur,c]uufciliccthacdctrafta, impcnfcdilatefcat, 
Suptrioris &concidcns prorfus,quodammododcfluat. Porroccrcbri anfrafluiim altitudoacprofun' 
cJloricorpc- ditas digitis, aut llylo uenitindaganda. aiquciractiam folo digitorummuncre'' elaiiorcallofi 
ris fupnficM corporis lcdcs, &qui utrinquchk confiftunt finuSjinquircntur. Simulatqjucro hos inucnC' «. 
DmriQyfi' ris,utrinquc magiiam ccrcbri auaTcsportionem,primuiTi magiia ct acutiori nouacula lectiO' 9 Pmfu. 
m/lriuctricu- ncm pcT dcxtruiTi.qui ad callofuiii corpuscofiftit,finumdcduccns, qua: totam ccrcbripartcm fe"* 
/ - . r- "i) r ■ y r i •■■-.- i 1 i !■ i i ■ rm^quam 
ioruuptruo. lUoiupcriorcm, atronicad occipitiuulquc limul indcxtro latcrcadiinat. plunbus cnim ],icf,4jlo 
rciteratis fe(ftionibus,opcratio turpitcr uitiatur, Adcmptam ccrcbri partcm in nienfam ita iuj^iciei. 
rcponcs, utclatior dcxtriucntriculi fcdesiii conrpciftu fit. eacnimquamfieriprxcepimusfc' 
c^tio^dcxirum ucntriculum diuidit, fi modo rciflc fecundLim finum quiaddcxtrum callofi cor- 
porislaiusuifitur,adminiftratafucrit. Dcxtraccrcbri partcadeum modum ablata,in finiftra 
idcmquoquc (ut& fiiiiftcr quoquc patcat uentriculiis)moltendum cft, pcr finiftrum iuxta 
Tstxtrifiiti corpus callofum confiftcnicm finum fada fccflionc^callofoqicorporcquamficri liccbitmaxi- 
flnifuentricu mc immoto,diuulfoq!, Qiiandoquidcmidpoftquam finiftrumquoque cercbriuentriculum 
lorufepciexd, infpcxcris,uidcndo ucntriculorum 'lepio leulpeculo,(cnfim,&quamaccuratiflimcubiutrin ^,' 
m quccontinua ilii ccrcbripars adcmpta eft,fummis utriufcjmanusdigitismodice xqualitcr^ 
attollendunT ucnit. Scptumcnim fi adcum modum callofumcorpuscrexcris,& dcincandc' 
iam contrario cius quod infpicis latcri (nifi illi clarior dies obluceai) adhibcndam curaucris, 
euadet cofpicuum.'lamcallofumcorpus'anterioripartc,quaolfaiftus organorum intcrftitio '/^'rf^ 
uicinius eft.cultcllo a ccrcbro libcrabis, & dcindeid hac partc clcuaftim digitis furfum trahcs, puraHs 
in poftcrioraq) diuulfum reflcclcs . ita nanquc" clatiorcmfpeculi fcpti uc icdcm callofo corpo- i'"'"-"'- 
Ccrhoriftt, "irtferiorcmucroilliccrcbripariiquamteftudiniaccamcratoafsimilamus^conatam ccrncs. J„^'^',j"fl 
(ludinis moJo 'CamcratuiTi auicm (cuius nunc fupcrior fcdes undiquc obuia cft) obtufiori ftylo uoTit exa- fillitin 4^ 
cfforiimitxd, minandum . ac primum quidcm ftylus ad fyphonis formam obliquatus camerato cx dcxtro l"^'- 
uentriculo in finiftrum mittetur : & camerati perpenfis latcribus, anterioripfiusparscercbri ^j^'^^' 
fiibftaniia! non procul ab olfatftus organorum lcplo connata,cultcllo °diuidetur,& digitis de^ x. * 
inde elcuata in poftcriora reflcc1ctur,ut & ipfius inferior fuperficics qua; tcftitudinis modo ca- W 
uacft,occurrai. Rcflcxoiiacf caiTierato,quiidpofteriorifuaparlcucluicxdcxtro finiftro^ce- J^/'''^' 
rebri uenlriculo cnafcatur,immiflTS ftylis perueftigabis,& deinde id in priftinam ipfius fcdcm z^xquin- 
rcpofilum longa fccfiione diuidcs, aut poiius cultello uniuerfum radicitus praifcindcs . CoH' '"figura 
duxeriitamcn priufquam pnrfccctur, fubipfoftylumad'eam ufquc partcm,qua ex quarto f^^"'"'^"' 
dura; membranx finu Uafadti(fius'ue, adantcriorcsccrcbri uentriculos fub camcrato perti iiy'fi.v„ 
V?triculor"i '^^^ fubrjcere,acadainunim ipfiusufumconftrU(flionis^ rationem elcgantiflimam examina, T. 
dtztrii^fini, t-e. Statimucro atquc adcmptum, Ionga'uc fe(flioncdiuifum,ac poftca utrinquc diducflum '"^fe-."-'- 
^7"^'°J!me ^"'^'^t'^"'^'^'* P''^-""^'^ fccundarum forina x'!'«i^f Gra;cisdiclo,& dudiibus aquartidura: o^s/ig.M' 
membrana: finus finc cxporrc(fi:is. Ac proindcprimum pofteriorem UCntriculi (edem ftylo n. 
inquircs, qualitcr hxc fcilicet ex poftcrioribus deorfum in priora defccndat, pcr illam^ artc, ''''; 7- s/"- 
ria afccndat,qua;antrorfum prorcpcns, altcrara eius dutftus portioiicm aflumit, qui a quar^ 
to 
