(l3 
ANDREAB VESADII BRVXELLBNSIS 
per/icics. 
niirdtio cr 
vfuA, 
dkmK? fui partcs proceniisuCmCTcritJiiuus (itum oftendunt,uti fane & ipfius cjuoqt figuram 
E.ztn!orfu- &inagnitudinc. |-Ia:cmembranacxtcriori' fupcrficicuclutaqucohumorcoblinitur,fccundii 
partium quasambittubcracxtubcrans . ipfa namqucuixalibi crafliticmuariat^actcnuifnma: 
fcmpermcmbranarinnumerisuaforu ductibusoblTtarfpccicmcomonftrat. Qiiippeuaforum 
potiffimim gratia illam rcru Opifcx condidit,nimirii utinftar' mcfci itcrii & humilioris mem 
brana; omcnti &' extimi fxtus inuolucri(a quo fuum nomcn tcnuis mcbrana Gra:cis ^^mJ'»s 
nuiicupata,mutuauit)ea uafa tuto dcduceret fuflfulcirct^.Quinctiam ccrcbri & cercbcUi eft in- 
uolucrum,nonfimpIexprofe(rtOjUtduramcmbrana,qua;propugnaculupotiusac defcnform 
ccrcbri aduerfus caluaria: occurfus ccnfciur,quam opcrimentum :fed quod ipforum fubftantia 
proxime contineat & fi'rmct,non fccus quam cafeorumformx lac paulo ante coagulatu fufti' 
ncnt,&; fingut pariter. Atcj ad hos ufus Naturahancmembranam fumme idoncam produxit. 
tam moUis enim tenuisq) & fcquax eft , utaptiftimeomnibus anfradibus finibuscp fele ad pro^ 
fundiflimaufq) ingcrat,& qua:cunq! uafa cerebrum cxpetebat,ea deduccre poftit . Quinctiara 
adcolcuis cernitur,ut fua grauitate ncutiqua uim cerebro infcrat : & tam ualida interim duratj 
cxiftit,ut a dura cerebri membrana furfum trafla non diucllatur , imo illum fufpcnfionis impc- 
tum a Naturafagaciflimc frequcn ti numerofacp & continua uaforum (iric paramm fuftinct , eo 
poIlcnsroborc,ut conciilne cerebri fubftantiam inftarforma: cuiufdam(iiti iam diximus) am- 
plcxctur&: fuftineat>Ca:icrummagisNatura:fapientiamadniirabimur,finon minori indu- 
iliia illam liic atqi in quatuor clcmcntorum fedibus aflign;Tdis ufam cflc iiiquifiucrimus . quod 
faneilico obuium fict,fi terrx caluariam,aqua: duram cercbri mcmbranii, aeri tcnucm, & igni 
fubftantiam cercbri aflimilaucris:acdcincxpcndLTis rerumOpificis folcrtiam,qui ut inta- tcira 
& ioncm,quo niam natura a fc inuiccm maxime abfunt, aquam ct aifrcm collocauit,ita quocp ir» 
mcdio caluaria: & ccrebri(qu6d lubftaiitijs longe difcrcpant^utrafcp mcmbranas intcriecit,no 
contentus uno amicitixuinculo illa intcrucniciitc.Oportet nanqj no fiiu folum id in mcdio lo' 
cari quodcft ucre mcdium, fed etiam n3tura:fi modo quod fccundum candcm proportionem 
abcxtrcmisuariat.ueremcdium cenfcatur.Ncutraautemcmbranaproportionahtcr acakiaria 
&ccrebro uariabat:nam tcnuis plus aboffis duritieuinccbatur,quamipfius ccrcbrimolliticm 
ftipcraret.Econtrarioautcm duramulto crat cercbro durior,pauIo ucro oflcmollior.Quapro 
ptcr fi teilucm duntaxat mcmbrana Natura creaflct,ncquaqu.a indcmnis caluaria: occurfarct: 
li duram,cercbrum ipfius confuctudine Ixdcretur.Quo minus igitur ipfum ccrcbrum aut cius 
proximum inuolucriioffenderctur,prior tcnuis membrana,pofthacautcm duralocatur:qua: 
quanto eft ofle mollior.tanto ipfa tcnui eft durior ; quanto ucro hac tcnuis cft mollior, tanto tc^ 
nuimoIliuscftccrcbrum.Quanquarurfus tenuismcmbranemollitiesufuifit,utillacommode 
undequacp in ccrcbrianfracfius fefeingerat,S<: in ucntriculos," proccfius uarios una ci3 uafis por 
rigat,utipriuscftrclatu.Qui'namucr6 ciufmodihabcanturproccfrus,inplcxuum&uentricu 
lorum cercbri defcriptione perfequar,prx(cnti fermone ad cerebrum opportune dcflexo. 
dUifig. 
hb.sctlou 
••k- 
f,C,f. 
g i tabtiU 
Cr^tab. K 
K. 
h6fi. 
DE 
NFMERO, 
IIII. 
CEREBRI CEREBELLI 
fitu^^rmii,raiohtioinbiiS!:^Jubnantia. Caput 
ILI S (^UirpricfentiCdpitepertyaHdnturofledeitdiS:,potiJ?iimhttfcruiunttcrtiafi^quyit, 
dau omncsjire dd dccimdmtjiidrtdm ujtpfed potifimiim priinafguniCapitisfccuiidiilibri 
^udrti,bdfimccrcbriacccrcbcUicumdorJalismcdulhj: initioproponcnst 
ISSECTIONIS profcfloribus ccrebrumin* amcrius,quod ccrcbrum, a,fg.A,n 
&in poftcrius,quodcerebeIlumucjcant:dcindcanteriusin''deictrurnSi tm.e.tfi. 
"finiftrumdiuidiconfucuit^nonquod AnatomicoriJproccrcsccrebnjm "j"''*'''' 
omninodiuifum,&nonaliquafcmpercxpartc continuum cflc arbitrati Ss^.r.r. 
fint(quanquam ctiam illorum fcripta talc quid fubindcinnuant ) at quod r.(om ii/i 
utunicamanusindigitos.itaquoq! ccrcbru in diucrfas partcs difcretum fj^j^^^' 
j uideatur.Qiicmadmodum cnim prius dc tcnui cercbri mcmbrana diflcrc g ' " 
batur,fic' etiam dextra ccrebri pars, & finiftra,8i: cum his ccrebellum, Sidorfalis mcdulla,ncr- d , fi. 
uicfadunumomncs^infupcrgl:'' natcstcftcsq)cercbri,dcindc'' callofumcorpus, & ' idquod yk'^'^- 
infiar teftudinis cffigiatum cfbprxtcrea dcxtri finiftricp ucntriculorum" feptum,&: ' ucrmifor- p^Jr oji 
mcscercbeUiproccirus,&fiquidefteiufmodi,inuiccmcontinuxpartcscxiftunt,eademcf fub uk.figdcH. 
ftantiaconftituunturinduritiacolorcq)aliquantulumuariatc,Infupcromniaquxmod6rcccn «<■"'"■'*• 
fcbam,fitu,ufu,tonformatione,magnitudine,&idgenus alijs, quxin partiumconftruiftione g^jj.H.N. 
rinia- /i 2/1. 
i6pg.A,RA ft;.pg.X,X,Y,Y. lufg.C.D.c.tl. 
