THE PELVIS. 



277 



laic. It then supplies the gracilis, adductor longus, adductor brevis, and sar- 

 torius. The posterior division supplies the hip, knee, obturator externus, and ad- 

 ductor magnus. 



7. Accessory obturator often absent ; when present it lies to the inner side of 

 the psoas, passes under outer border of pectineus, supplying this muscle and the 

 hip-joint. 



Common iliac artery 

 SYMPA THE TIC NER YE 



Middle sacral artery 

 \ 



Common iliac vein 



URETER 



Internal iliac artery 



External iliac vein 

 External iliac artery 



Posterior branch of internal iliac dividing into 

 gluteal <tn<l ilitj-ltitnbar arteries 



Lateral sacral arte 



SACRAL PLEXUS 

 OBTURA TOR NERVE 



Obturator artery 

 Obliterated hypogastric 



Superior vesical artery 

 Edge of levator ani 



Pudic artery 



BLADDER 



Middle vesical artery 



Deep epigastric artery 

 Pubic branch, of epi- 

 gastric artery 

 Common femoral artery 



Long saphenotis vein 

 Pectineus muscle 



Obturator artery 



Adductor magnus 



Internal circumflex artery 



Adductor brevis 



OBTURATOR NERVE (ant. branch) 



Profunda artery 



Adductor longus, hooked aside 



Superficial femoral artery and vein 



Gracilis muscle 

 Lower part of sartorius 



Fsoas muscle 

 Ilio-lumbar artery 



EXTERNAL CUTA- 

 NEOUS NERVE 



Iliacus muscle 



, GENITO-CRURAL 

 44- NER VE 



ANTERIOR CRU- 

 RAL NERVE 



Deep circumflex iliac 



artery 

 Superficial circumflex 



iliac artery 



ANTERIOR CRL'RAL ff. 

 Gluteal artery and 



Tensor taciae femoris 



(hooked aside) 

 Gluteus medius and 



minimus 

 Sartorius muscle 

 MIDDLE CUTA- 

 NEOUS NERVE 



NER VE TO RECTUS 



NERVE TO VA STL'S 

 ESTERXUS 



External circumflex ar, 



NERVE TO CRCREUS 

 -J^a Rectus, hooked aside 

 T~V Profunda vein 



LONG SA PHENOL'S 

 NERVEAND 

 NERVE TO VAS- 

 TUS INTERNUS 



Vastus internus 

 muscle 



FIG. 191. SIDE VIEW OF PELVIS AND UPPER THIRD OF THIGH, WITH THE EXTERNAL ILIAC, 



INTERNAL ILIAC, AND FEMORAL ARTERIES AND THEIR BRANCHES. 



(From a dissection by W. J. Walsham in the Museum of St. Bartholomew's Hospital.) 



The bladder is hooked over to expose back of pelvis. 



8. Anterior cniral, emerges between the iliacus and psoas muscles, under 

 crural arch or Poupart's ligament, lies in a groove between these muscles under 

 the iliac fascia ; it gives off the internal cutaneous, middle cutaneous, and long 

 saphenous branches. Its muscular branches are to the sartorious, rectus femoris, 

 vastus internus, vast us externus, and crureus. The branches to the vasti also 

 send filaments to the knee-joint ; the branch to the rectus sends a filament to the 

 hip-joint Hilton's law. 



9. T/tc lumbar nerves send ranii coinuiiinicantes to the hypogastric plexus. 



