DE HVMANI CORPORIS FABRICA MBER VI 1. • 6x'j 
>k-'A-"i- Utaptisquibufdamfinibusomncscaluariapctctcsucnas,omncs9(fi'duosmodoramosdcm- 
ro' "(TcT P''^'^'^)^''^'^'''^^ excipiatjipfarumq^ matcriam in fuos finus affumat, eam ita dcduccn tcs , ut hxc 
II. alioqum propaginibus uenis fimilibus,at9 ab illis iinibus dcpromptis in tenucm mcmbrana comodit 
tbforbiim fimedcferatur,8iC dura membrana ipfi tcjiui mcmbranx & ccrcbro inflar lagcna; fiat, ex qua te 
'"F^r G H ""'^ membrana,&: dcin ccrebrum matcriam adopportunos ufus fibialliciant.in uciws & artc- 
" ' ' rrjsuerfuscaputtranfmilTam.Cacterumpropaginesatcrtio dura:membrana:finu utrincfin- 
numcrafoieinfcdcm tenuismcmbrana:fibiproximamdcriuat£c,ccrebrumucIut fuprainnui 
mus,fufj3cnfum,atqpnedeorfumconcidat,uentriculi9ipfiusconiprimaotur,opportunif[ime 
, , (uftinent,ut dura cerebrimcmbranaparitcr ipfius inuoiucrum et fulcrum rcddaiur. Ad quod 
rurfus (ummopere conducunt fibra; pcr (uturas a dura membrana prorcpentcs,qua; duram ce 
rcbrimembranam(qua; afioquin non latis duriflimo ofli connafci potcrat) caluaria; firmant, 
attsquominus ccrebri prauitate tra(fl:a,dcorlum labatur,in caulafunt.Ncqucid faneprcftitif- 
lcnt,mli pcculiarcartmcium cxtra caluariam INatura moliretur, quod mdics tabri imitantur, raficcmg„, 
quotics clauorum acies quando duos fimul compinguntaflcrcs rcfleflut,ne uno aflcre iratfto, ncmo o- 
cx altcro clauus propte ucllatur, Natura namqj fibras has 'Vulcaniligamcnta,quibus is Marte "-'^ ■ 
Veneri colligauit,cu fimul & uinciat & fuftincat.artificio fuperiores,no folum pcr rcflcxos ad- 
modu&obliquiiatis nomine firmaicsduclus tranfiriifitiucru traliniflas rurfus dilaiauii,auxit, 
at<5 in imu omnes adeo comil cuii,u t in mcmbrana quanda tcnuc degencrent,qua7 quod calua 
ria;obducatur,3-ifixg<»iot Gra;cisnuncupatur.Quauishxcomnianocitraaltcriuscorporisin- 
teruentij,ut cacieris uifum eft diflcclionis profcfforibus,caluaric adnafcaiur ; fub ipfa cn im alia 
adhuctcnuis confiftitmcbranaalijs quoqjomnibuspropemodii ofiibusprccipuecomunis,ac 
abamplcxuquo oflafuccingit vTSpilsiiy appcllaia. Inicr rcliquaautcoflahacmcbranapriuata, 
caluaria: inicrnacft cauitas ccrcbro cxcipicndo adaptaia,cui nulq; ubi dura mcmbrana contin 
git,ciufiTiodimcbraiiulaobnafcimr,adc6uiiantactiahuius cauitatisfcdcs,quanta:duramein 
brananonconnafciiur,hac quoqimcmbranulaalris oflibus communiobciniTta fii. Vifiturau 
k vU fub ^Qiyj iiij fcdcs ^ ubi durrc mcmbrana-glandula ccrcbri pituiiam excipics,& maximi aricriarum 
'c,D,con/i! cercbru pctcntium rami lubftcrnuniur. Qiiod autcm rerum parens Natiira harum prgcipue fi 
fiit tou ,6 brarum gratia duas tranfucrfas,& unam fecuiidum capitis longiiudinc ' futuras digcflcril, ipfa 
fii'^'''' dur3rmembrana:formacommonftrat,qua:fupcriorifuafcdciIlislincis opportuniflime ueni- 
fi^gm-fsTci rcifirmanda.Qucmadmoduminter diflecandumtcrtiodura-mcmbranaifinufiirfum trarto . 
fi.d.i. liquido difcimus,impenfe Natura; induftria admirantes,qua dunc membranc portionc pro- 
cefrum'ueinterccrebcllum& cercbrumiiaproduxit,uiiIlofurfum ducfto, iia ccTcbrum liifti- 
neai,nefuopondcrcccrebcllo quicquam comprimcndoobfit.adquodcgiegie auxiliaturdu- 
ra:membrana:p.ars, dcxtram ccrebripartcmafiniftradirimens,& lotabafidiifto nupcrpro- 
ceflfui coniinua.Porro fi quid interim artificij in dura: mcmbrana; harmonia enarrandum ad- 
hucreliquum fit,id una cum tenui membrana iam fubiunxcro. 
DE TBNFI CEREBRVM INVOLV ENT E 
manbrana. Captit III. 
T E N V I S mt:mbrana cerebro obdiiSla ocairrit in [ccmdafigura, amdfa autcm 
in tertia.--At(jtic ita ctiam ctrehello ohuoluta JpeSlatur in oUaua. 
E N V I s cercbrimembrana,qucmadmodum&dura,duntaxatunica& TtnuisKm. 
fibijpficontinuaeft.-nullam fiquidem prorfus fiiaenaiuncautadccrebcl- 
I um.aut ad utrainquc ccrcbri partcm , aui in ipfis cerebri ucntriculis anfra- ^ 
dibusqp,acutfemeldicam,totaamplitudine, quam dura membranacon- 
ftituit,inuenias, qux non unius icnuis mcmbrana; portio habcaiur:ad cu 
modum quo in animalis cutciam a corpore dctrafla,parlcs cuiis cotinuas 
cflj dicimus,quibus aures,pedes, & cauda induebStur. Porro ipfius fitus ' 
excerebri ac cerebelli cogniiioncdefumeduseftrnihil cnimduramcmbranaamplc.xaiur,cui 
tenuis membrana extcrius non obuoluatur.NulIa ctenim'' exierioris fupcrficici ccrcbri & cere 
fci/i.L,L. belli&dorfalismedulla:&:neruorumportiunculaconfpicitur,quam tcnuis mcmbrana uici- 
ci fe.c.c, nifRme ,& citraalterius corporis interuentum proximenon intcoat, fi modo liiperiorem cal- 
dHaccxfi' 
guris pcfc- 
rc dcbesfc- 
Htonisferic 
fefc confc' 
qiiciitibKS, 
ttt i, j,8, 9 
!Clluv:c- 
corporisinteruentumproximenon mtcgat, fi modo iuperii 
n dura utci 
teniiismeiT 
Gg 2 dicun(p 
1nflfc'r^- 'oficoi^porisfuperficiemcxccperis^quacfola eiufmodi mcmbrana, quum dura utcunque fit, 
cicu/ig. haud continetur.Prf tereaoranes ccrebriac ccrcbelli ' anlraiflus.in quos tenuismembrana un 
