▁ve in ▁and ▁the ▁v ena ▁c ava , ▁since ▁named ▁the ▁du ct us ▁ven os us . ▁He ▁described ▁the ▁o ment um ▁and ▁its ▁connections ▁with ▁the ▁st om ach , ▁the ▁s ple en ▁and ▁the ▁colon ; ▁gave ▁the ▁first ▁correct ▁views ▁of ▁the ▁structure ▁of ▁the ▁p yl orus ; ▁observed ▁the ▁small ▁size ▁of ▁the ▁ca ec al ▁append ix ▁in ▁man ; ▁gave ▁the ▁first ▁good ▁account ▁of ▁the ▁medi ast in um ▁and ▁ple ura ▁and ▁the ▁full est ▁description ▁of ▁the ▁an atom y ▁of ▁the ▁brain ▁up ▁to ▁that ▁time . ▁He ▁did ▁not ▁understand ▁the ▁inferior ▁re cess es , ▁and ▁his ▁account ▁of ▁the ▁n erves ▁is ▁confused ▁by ▁regarding ▁the ▁opt ic ▁as ▁the ▁first ▁pair , ▁the ▁third ▁as ▁the ▁fifth , ▁and ▁the ▁fifth ▁as ▁the ▁sevent h . ▁ ▁In ▁this ▁work , ▁V es al ius ▁also ▁becomes ▁the ▁first ▁person ▁to ▁describe ▁mechanical ▁vent ilation . ▁It ▁is ▁largely ▁this ▁achiev ement ▁that ▁has ▁resulted ▁in ▁V es al ius ▁being ▁incorpor ated ▁into ▁the ▁Australian ▁and ▁New ▁Zealand ▁College ▁of ▁Ana est het ists ▁college ▁arms ▁and ▁cr est . ▁ ▁Ex cer pts ▁ ▁When ▁I ▁undert ake ▁the ▁dis section ▁of ▁a ▁human ▁pel vis ▁I ▁pass ▁a ▁st out ▁ro pe ▁tied ▁like ▁a ▁no ose ▁beneath ▁the ▁lower ▁j aw ▁and ▁through ▁the ▁z yg omas ▁up ▁to ▁the ▁top ▁of ▁the ▁head ... ▁The ▁lower ▁end ▁of ▁the