— “A 
oro - 
THE EXTERNAL ILIAC ARTERY. 813 
either on the outer or the inner side of the crural ring. In the latter case the artery may 
be injured in the operation for the relief of a strangulated femoral hernia. 
(2) The deep circumflex iliac artery (a. circumflexa ilium profunda, Figs. 569 
and 572) springs from the outer side of the external iliac artery, usually a little 
below the deep 
epigastric, and im- 
mediately above 
Poupart’s hgament. 
It runs outwards 
and upwards to the Sartorius 
anterior = superior 
spine of the illum.  rensor tasciw 
In this part of its Re aay 
course it lies just Rectus femoris 
Ree es a Psoas and | 
above the lower iliacus 
border of Poupart’s | 
ligament, and is en- | 
closed in a fibrous / 
canal formed by the 
union of the trans- 
versalis and 111a@ © pyemal cir 
fasciee. Opposite the cumflex artery 
anterior /i/superior  "s:peromt- 
Bpime lib) " Plerees isecond perfor 
the*™;transversalis | *2eisttery 
abdominis, and 1s 
Sommer Mack, Yasusestermus.— 
wards between the 
transversalis and 
theinternaloblique, 
to terminate by Crureus — 
anastomosing with 
branches of the ilio- 
lumbar artery. 
a 
A, \ __ Pectineus 
Sp , | 
BZ 
\ 
= __Adductor brevis 
-~_Common femoral 
artery 
“Adductor longus 
~Internal cireum- 
~ flex artery 
Superficial femoral 
artery 
a 
Profunda artery 
Vastus internus — 
fectus femoris - —Anastomotic artery 
Branches. — (a) 
Muscular to the 
upper parts of the 
sartorius and the 
tensor fascize femoris, 
and to the muscles of 
the abdominal wall. 
One of the latter Ra cass, ake 
} Superior external —___ 
branches is fre- articular artery 
quently of consider- 
able size; it pierces 
the transversalis 
muscle a short dis- 
tance in front of 
the SNGELION PATER OS Anterior tibial recurrent 
spine of theilium, and artery 
ascends vertically be- 
tween the transver- 
salis and the internal 
oblique, anastomos- 
ing with the lumbar and epigastric arteries. (4) Cutaneous branches pierce the internal 
and external oblique muscles. They terminate in the skin over the crest of the ilium, 
ay they anastomose with the gluteal, the superficial circumflex iliac and the ilio-lumbar 
arteries, 
i} | Sartorius 
__. Anastomotic artery 
Superior internal articular 
[artery 
Inferior internal articular 
artery 
Fic. 573.—THE FrMORAL ARTERY AND ITS BRANCHES 
