?°3 ANDREAE VESALII BRVXELLENSIS 
cxtcmaiugulli-iproprioforaminccaluariamingrcdi rcccnfuiinus . Pra?fcns finus hinc rur^ 
fusrcLrorliimir.odiccqucfurfaminftai- quartx circuli partis protcnditur,quoufquc clatiffi- 
f]d"r'^'^'- '^^"^ ccrcbclli paricm occipitis cfli contiguam attigcrit. ' Ibidcm cnimdcxtri latcris finus cum t M, Noi, 
g'"}''! fi"i'^f°™'Mtquccxambobusunaccmmuniscauitas cfficitur. Iftc amborum finuum con- "•'«*'o. 
' grellus occipitis offi.qucmadmcdum & finus ipfi contiguus cft,non quidcm ad amuffiim fub 
elatiUimapartceiusluturxquam AallimilamuSjUcrummulto" humilius,& propcmodum /mwp.p 
_ 'nmcdiarcgioneconfiftit,quxintcrpoftrcmamforaminis,qucdorfalismeduIladuciturfc, '«"'a-a- 
"mi '^^"^'^ ^^^^ fuiurx ucrticcmhabctur. Ex mutuo lioc amborum finuum " congrcffiu. ^jf n'"'' 
alr) duo exoriuntur finus longitudinc & cauitatis forma inuiccm uariantcs.quippe ' unus lon uj/i. «.„ 
giorcftj&caluari.-cfcmpcrqucmadmodumpra-dicaduocontiguus/ecundumcapitislongi- 
tudincmann-orfumproccdit. Excmincntiffima cmm fcdccongreflus dextri finus&finiftri ''"■^i'-''' 
principium duccns, ' (ubclatinimafutunc A imitantisparte.&fubeaqux fccundum capi- y ¥,?.,^, 
tislongitudinefertur,&dcindcfubfrontiscnismcdioillclmusprotcnditurufquead ' offiu '■''.■vc. c 
(cptumaboflauo capitisoflcincakiarixamplitudincmdcduclo. Qucniadmodum ucrbdex t^s^'^' 
tcr&finifterfinus(nifimauisillumprimum,huncucr6fecundumnuncupare)intcrcercbrum z fom, 
& cerebellum qua hxc offiproxima funt,in dtira ccrcbri mcmbrana fcruntur : ita quoque tcr- >'»"'IJ,lfi. 
tiusfinus,qucmpriorcmexduorumpnmorummutuocongrcnucnatumrcccnfui,in'' cadu- ■'■""■'!■' 
r.i:mcmbranxconfiftitfcdc,quxdextramcercbri partcma Imiftra dirimcns,fccundum to- ll!',"'" 
Qju7U!f„ "'"si^apitis longitudincmcft cmincntiffima, & caluarix fcmpcr contcrmina. ' Alter uerofi, '■j/iM.?. 
„„j. nuscxcommuniduorumprimorum finuum congrcftii pronatus,&qui opportune quar- 
tusconftituetur,diflcdicnumprofcfrorcs,quantum conicctor,latuit. Porrigitur autcm ab yTatR." 
antcriori fcdc communis primi lccundique finuum congreffius recto tramite ucrfus priora ce- 
rcbri,nufquamdeorfumncquefurfumucrgens. Confiftiteniminduraccrebrimembrana, 
ubi lccundumccrcbelli longitudincm id&ccrcbrumadcasufqueccrcbrifcdcs' intcrctdit, 
quxtcftium&duniumimaginiaffimilamus. Quartusitaqucfinusfuodmftu ccrcbcllilcn o o^'''' 
gitudincm,& durx cercbri membranx intcr ccrcbclliim & ccrcbrum implicationcm haud cx- ' ci«;i« 
Cvfi/o* " ''rjdcxtrx&finiftrx ccrebripartibus &ccrebelloxqueattiguus:acproindeidfibipriua- ^■"■*"'- 
pmm'r^Jr, 'Jfi Jicat, quod fit breuiflimus , & nufquam caluarix contiguus . Prxtcrea ipfiiis cauiias 
Ihicimutts. corrcfpondctcriangulo triumxqualiumcoftarum, qux omnesex xquo introrfiim curuaiv 
tur.Infimamcnimcoftam imprimit' cxtuberantior, t^h^i 
TR-I^NCVLI $e. I ac(utficdicam)tcrcsincercbcllilongitudinepronii. '"f""^ 
c^s^,^c,m.,pu,nifmu.corr,3cn „,„5. po„,„ . ^^^^ ^^^^ fupcriorcs ccftas incuruant 
* ^dextra fmiftra'que cercbri partes, hic no in acutum, gifgH.j. 
T R-It^ NGV Lys 1 fcd inobtufum angulum ccftantcs. Cxterum trcs "■''■''■& 
cdwtdtinf^onicm pyimi,f!cm<Si, <^~~> priorcs finus duas coftas introrfum , tcrtiam cxcror- 
vtm<iiu7d:mtmlrdnd:finuum. oW^ fum obliquatas gcrun t . Horamcnimfinuumcofta 
cfti attcnfa cxtrcrfum curuatur , quandoquidcm his 
durx membranx finibus ,& rcliquis ipfius uafis lcu ducftibus, qui paffim pcr alias membranx 
(edescxcurruiit,Naturacaluariaminfculpfit," finus quofdamcfiormansfccundumfcmicircu fii/i.w.ii 
licauumincifos.quidurxmembranxfinus eapartc quacaluariam fpcflanc,' conuexosgib- '■■"•'■'>■« 
bosq) excipiun t,ac admictunt. atque demum in caufa iiint,quo minus membranx finus a cal- f/^vl^jj ^ 
iiariacomprimantur,ip(orum'uemotusquiartcriarummodo ht impediatur.Vcrumrcliqux c,c!c. 
dux trium primcrum finuum coftxintrorfum curuannir.in primo quidcm finu & fecundo a 
ccrcbcllc & ccrcbro, in tertic autcm finu a dextra& finiftra ccrebri partibus . Hx cnim pcriiv j c j 
dc ac ccrebellum qua ipfis finus accumbunt,obtufbs & ueluti in quartam circuli partcm extu- o^o. ers 
bcrantcs angulos cfficiunt . Hacftcnus itaque quatucr iu dura ccrebri membrana finus enu, h- '■'•^' 9 
mcratifunt,inquosprimx&fecundx&quartxcxhauriunturuenx,&primx lccundx'que f/s*^"' 
P o d ■»« ^•''^i''^- Qiiasucrbpropagincs,finushideinccpsinduram ccrebri membranam&tcnucm, msfi.a.j 
txa-^^i/Mi- ^*" '^'^'"'•J'''^ ""1 ccrcbri uentriculos dilfundani,fubfcquens mcdb fcrmo enarrabic. A' primo & ^>^^ 
cndtic. fccundodurxmembraiix finibus, iii' uniuerfam eiusmcmbranx parccm,qua ccrcbellum "J'^"^ 
opcritur, ' iiarrj furculi dcriuantur inftar uenarum finuati& (parfi . Ab his deindcfurculis , & D,D./g.i 
ipfisdextro inquam finiftrocpfinibus,extraduramcercbrimcmbranam'" duiflusplurimiue- E '»"'' 
narumcorporedonatipropaganlur,intenuem qux ccrcbellura ambit mcmbranam, &cam Ji,'"^™™ 
Propdgmes qux ccrcbrum qua id cerebclloinnititur,implicatcxcurrcntcs . Pcrrba tertiofinu" pcrmulti ^ cneM 
' ' r)dcmcpampliduflusutrinquccxlatcribuspropagantur,nonquidcmulccriusin duram ccrc- <m/"rj*« 
bri membranam,ucrum in tcnucm,qua hxc dextram finiftram^ ccrebri partes fccundiim cla- "'"'"■■""'' 
tiorem ccrebri fcdem amplexatur & continct. Prxfentcs dudus , qucmadmodum & alrj paulo '"' 
ante 
