193 ANDREflE VESALII BRVXELLENSIS 
pc(fi:on'soflricommittitur.Extcrnishisintcrcoftalibusmufculis idpriiiatimaccic1it,quodlon' 
geniagis ncruofi cxcarncsc^tiiluntur in cacoftaruni lcdc^ quxa ucrtebris primumabiccdic, 
quampcrrcliquaminteruallilongitudincm.dcindcnonfoliimabirtrcriorifcde fupcrioris co- 
ftxjin lupcriorcm humilioris cofta:(edcm ducunturjUerum ctiam ab cxternafupcrioris cofta: 
incipiunticdcj&incxtcrnaminfcrioris infcriatur. ° Intcrnorumintercoflialiumraufculorum o SfAE.B 
fibra-, prxdidis fitum contrarium exigunt, & extcnorcs adx litcra; fimilitudincm intcrfecant. •l^mfig" 
Itiurni inttr Interiorcs cnim mufculi, qua ucrtcbrarum corporibiis proximi funt,cx inferioris coftxfupcri '^^^^^"'1" 
cojlalcs. oris fedc,in clatioris cofta: inferiore iedcm, fibras obliqucfurfum in prioraprotcnfasm:ttunt, risfrdema- 
Hancfibrarumferieminterioresmufculi,pcr (ingulafpuriarumcoftanim interuallaretincnt, [Irndcas. 
& in uerarum quoque interuallis, ad eam ufque coftarum fcdcm,ubi in cartilagincm dcgcnc- 
rant, ibidem cnim ilico ac intcrni c6 deuencrint, fibrarum duflum cmutant, nam a lupcrioris 
coftx cartilaginc,in infcrioris,fibrx in priora dcorfum obliquc protcnduntur. Atque ut femcl 
dicam,in ucraruin coftarumintcruallismufculi, quiintcrcoftarumoflahabcntur,omnino his, 
qux intcr cartilagincs exiftunt,contrario fibrarum fitu donantur , quod quum prcflius Ara- 
bes animaducrtcrcnt, in fingulis interuallis non duos, fed quatuor mufculos cflc,uetcru quO' 
rundam Anatomicorummodo tradidcrunt, quanquamdclex tantir ucrarum coftarum(qua: 
fcptemnumcro ccnfcntur)intcruallis iduercalTcrucrint.Naminfpurijscoltis, biniduntaxat 
mufculinumerari qucuiit, Quum itaquclex fintucrarum coftarumintcrualla, nihilexfibra' 
rum fcrie obftiterit,utrinquc quatuor&trigintaintcrcoftalcs mufculos enumcrare , quan,- 
admodum & ego paulo ante,quum adhuc utrinque duos &C uiginti,ac dcindc u trobiq; ctiam 
Ir.ttrco/lJit: duodccim,prxtcr'' mufculum utriquc latcricommunem, enarrationi dccflcdiccrcm. In- p ^n.n, 
mifiiilontmn fcrcoftalium mufculorum bcncficio Galcnus plerisqs locis thoraccm ftringi &laxari ccnfcr, 
Jn Frdgmm atquum dupliccs hi fint,cxicriorcscxfpirationcmmoliriprodidit,quodcftcoftas fimuladdu/ 
to it B-jjfl>i- terejthoraceincp comprimcrc, intcrioribus autcm inlpirandimunus aflcripfit, c]uodcftcoftas 
w/raa caii- iiiuiccm abduccrc, amplioremq! thoracis cauitatan cfficcrc.In tcrdia uero non fibi conftaiis, 
Adfincmdt •^''K'''™'''^ infpiratioui, iiitcriorcs autcin cxfpirationiprxenc uoluit,num ucr6,ucl altcra,quX' 
Mam iiiufcu cunque magis tibiarridet,harum fcntcntiarum ucritati fit confona,diligcntcr (ac lcpofito intC' 
hrum. rimaflccfu)pcrpcndas,uclim,Es>o cnim Galenodeditiflimus non aufim ilicoipfius pkciiis 
prorfus contraniti, &mult6minusobitcrillisancntiri, quandoquidcmhaftcnus,quaiatione 
intcrcoftalcs, fiuc intcriorcs fiue cxtcriorcs mufculi, coftas dirimcre, ac ab inuiccindcduccre 
qucant, haud quaquam compcri, quantuinuis ctiam uiuas Galcni fciftiones animaducrtcriin, 
&priinumfolusmihihas,&dcindcpubliccinfcholisPataurj acBononicealdi;agorcfl'usfue 
rim,qux profccT:^ contrarium potius Galcni dogmatibus probant, quam quod illis fubfcri' 
bant, Adhxc, intcrcoftalium mufculorum fitus, figum, fibrx,aliac];oinniaad corundemfa' 
bricam fpcclantiajdilucidiushosmufculos inuiccm coftas adduccrc,quamlaxarcfuadcnt.Ex 
tcriorcs quidcmintcruerarum coftaruin ofla,&pcruniuerfa Ipuriarum intcrualla rcpofiti, 
infcriorcm coftam luperiori adducerc apparcnt , intcriorcs autcm, luperiorem inferiori . Dc' 
indeextcriorcsmufculos, intcr ucrarumcoftarumcartilagincs collocatos, fupcriorcm cartila' 
gincm iiifcriori, & intcriorcs infcriorem cartilagincm fupcriori attrahcrc exiftimo. qiiod fi fit, 
quidid aliud cft,quam fimul omncs thoracc ariftare, anguftiorcmq; cfFicerc f Nccp mc Hcrcule 
arationcablonumcft.ad exfpirationeinthoracisuc.arflationc,Naturamomncsmufciilosiii 
tcrcoftalcs produxilTe^quumfortiorimotuimpetuqjadcftlationcm^uocem^tuflain, ftcrnuta' 
tionem,fxcium cxcrctioncm, ad partum facilius cxcludirdum , brcuitcr ad thoracis coinprcfli 
oncm,quamad inlpirationcm indigcamus.Quanuis intcrim inulculi infpirationis autorcs,in' 
ScptYitrdnf, ualidipauci'qucfint. lam omncsuniuslatcris mufculos,quiinaltcrolatcreparesfortiun^ 
T'uhs'''^"'"'ll '"■''> '^''P"'^^'^'''''"-'^ > proindc opportunuin crit,orationcin ad mufculumutriqucparticom q jti.i.t 
tcricatmu, munedefle(flcrc,Eftautcis,qucmGrxci cpi^ms^Si </licJcpixyii«jSc iirii mAiccii, Latini ucro Scptij fi.li.6i,i.L 
nis. tranfucrfuin,nonnunquam&Prxcordia uocarunt,hicncq; fitu,ncc])formaulli totius corpo t'-R'^-if'' 
ris mufculo rcfpondct,fiquidc amplus eft, & orbicularis,&; in ipfius mcdio ' caput fuum prin £ '^"l^ 
cipium'uc gerit, Hic cnim ad aniplain latitudinem exaflc mcmbrancus cxiftit, cx quo fibrx in- i. 
ftar linearum cx ccntro,ad circuli circuinlcrcntiam cxcurrunt,ijs,quibus fcptum infcritur,par ' "> " 
tibus cxporredx. Hx carnc fimplici adauflx, rcliquam mufculi partcin carno&m cfFiciunt, ' '"'"' 
quxpaulatimin progrcfTu dcnfiorcarnofiorcp,pro fibrarum dudus longitudiiic rcdditur. 
Proccduntitaquc fibrxcxmcmbrancocirculo,' ad inferiorcm oftis pedloris rcgionem, iuxta s infn-tin- 
mucronatx cartilaginis radiccm, dcinccps alix fclc fucccdctcs ordinc, ad fpuriarum coftarum "™ 
■ r ^ ,1- . r . r i ■ ■ . . n ; faniyonctt 
cxtrema inleruntur, npn quidc cxtcnon cartilaginuin lcdc,at in intcnori, ut coltarum cartila- j,, (j. 
ginesfimulcummucronatapccloris oflis cartilaginc, tuiiflimumicptitranfucrfipropugnacu 
lum cffici' 
