Lil.iicVf,, 
Mttfculi ft' 
dem ittoUni' 
hS ANDREAE VESALII BRVXELLENSIS 
ciiiiTifuitcgcrcndis cxcorpore rccremcntismotuspreccncuoluntarios . (icafucnimnaturali 
tluntaxatmotuicxcrcmcntorum propulliocommitterctur, continuorccrcmentacmanaret: 
atcf id prartcrquam quodfccdilTimum ccnfcrctur, ad plurimas aftioncs , quas tota uita obi- 
mus.ijiHgiics noxas infcrrct.Quo minus igitur uefica; circularcs fibra-j urinam quotics ipla 
aut copia.autmalaquapiamqualitatchominegrauatjCtiamcitrahominis impctumpropcl- 
lerct,Naturamcatui uclkac hunc mufculum prxfccit,quo laxato urina tranfuerfarum ucficc 
fibrarum ui prcffa cxccrnitur,intcrdum ctiam huicfunclrioni auxiliantibus " abdominis mu^ 
fcuIis,&'(cpto tranfucrfofpirituscomprcffuadinferioradcpuIfo.Quumucrourinacffluxit 
denuomufculus conftringitur^quicquidcxurina reliquumincatui adhucinha;rctprotru- 
dens.RcIinquunturautcmtrcsquatuor ucguttula;,qua!cmifraiamurina promanarcfolct. 
Atq; hic alter prEcfentis mufculi ufus cenfcndus ef!:. Qiic d ucro ad excrctionis promptitudi' 
ncuclocitatemqjquicqua (utGalcnusalTcnt^auxilietur^quod^ispra^cipuusipfiusfitufus, 
ncqueofatisafrequi.Quocnimmagisremittitur,fuamq!comprimcdiuimIaxat, eo hbcriorc 
redditmcatum,quiapertus&amplusmaiorcmurina;acircularibus ueficacfibris preflscco 
piamtranfmittit,quamfilaxatusmufculusnonihiIfuas fibrasadcxpulfioncdumurinapro^ 
fiuitquoq!intenderet,acncfcio quaratione pcruniucrfumcgcrendi tcmpus agcrct,itaangU' 
rtioremmcatumrcddcns,fccIicioremqjurina;cxcrctioncmuitians.Nccprofc(ft6aIiud (&;li 
Galcnus fccus arbitrctur)cfl:,quo mcatus nc prxtcr arbitrium urina cmanarct^arflaretur, ab 
hoc,qucm modo narramus,mufcuIo.Qiiandoquidcm aGalcnoin mcdium adduclammea 
tus anguftiam&longitudincuariiscircumattibusiundtam^rcfcllitmuliercularijurina^^me 
atus:quietfipcrindcacuirorumadinfcrtioncmufq;,quaminutericcruiccm molitur^arcftus 
fit, brcuis tamencft,&rccladcorfumbrcuiinterualIo utericollocxporrigitur. Cxtcrum ccr 
uicis ueficx mufculiadminiftrationemin fecundumpofi:hocCaputrei)ciam,ibidcm illum 
una cum fcdis mufculis aggreffurus. 
DE RECTI INTESTINI MVSCVLIS. 
Cctput L I. 
' RECT I inteJliniportiocufiiismufailisdcorporerefcSt.i^cj^ua. 
du rc!i(juci cximimiis intefliim^in corporc adhuc relinquere fo!emii<s. 
A R.eSlum intejlimim^ijuo d in !ibri quin ti tn bidis euadet con[]}icuum, 
prccfcrtim nutem oSiiua figura cr uigefimajecunda. 
B,C Duo mufculijntcjlinum po/l egejiionem furfum trahcntes. 
D Mufcidofafubfantiapenisritdicictdnata, inmu!icribiii porroad 
infmam pudcndi partem commiffa. 
Infuper D fedesnotatur^dqua in pcnem mufculi duo pronafciitur. 
E Circu!aris mufculus^nc prarter arbitrium excrcmenta dei/ciantiir 
prtecaucns. 
A V D fl T A nunqua fatis NaturaVc^Tti intefiiniextrcmo mufculos lar- 
gitur,quiinfcciumexcrctioncprotrufumrc(rtiinteftinifinem,aIacriter 
furfunireueIIunt:dcinaIiumdatmufcuIu,quiintempcftiuaminuoIun 
tariam^ cxcrementorum cgcftioncm prohibct. ° Mufculi itaqi fcdem 
furfumattrahcntes,Iati&tenucs,neq!admodumcarnofi autrubcntcs 
funt,uix ab aliquibus oflibus origincm duccntcs . A" ligamctisenim ex 
pubis oflibus, Sicoxendicis ofle,&facro e.xortis, qua: huius regio- 
nis mufculis obducuntur, ipfa^ dcmum peritona:i infima fcde utrin^ 
qucfinguhenafcuntur mufculi.quideorfumprotenfi^rccluminteftinumamplcxantur^^exti.- 
ma^ipfiustunicarinfcrti. Prarfentes mufculi quumlati admodumfint,&fuisfinibustotam 
in tcftmi latitudinem ambiant,ipforum " portio radiciquoqj penis, mulicribus uero utcri col 
lo adnafcitur . Quod nonnullipcrpcndentes , tres fedcm furfum agcntcs mufculos rcccnfue, 
runt.Vtcunqjucro fit,omncshorummufculorumpartcsparipra?ficiunturmuncri,quofede 
ilico ab cxcrctione furfum alliciunt, quidcorfum pellcbatur uiabdominis mufculorum, & fc- 
pii tranfucrfi ,auxiliantibus ctiam fubinde omnibus thoracem ardantibus fpiritumqjconti- 
ncntibus mufculis . Cartcrumillisquianum furfum ducuntmufculisnullusercgioneoppo- 
niturcontraria;funaionisopifcx,qucmadmodLiinomnibusfcrealiispartibusmufcuIicqui- 
demopponiconfueuerunt . Nequeofcitantcrhic Naturapriuatimabaliorum mufculorum 
conftrudioncabcrrauit.fciebatcniminterdu a mufculis oc7o abdominis una cum fcpto trat 
ucrfo. 
h 3 /^'.s. ; 
Y ad a. crij 
lo /i (i. 5 o.i 
cr n^. ■ 
h B.C-crs 
fi.hb.i.Kc. 
L. 
