THE ARTERIES. 



239 



d. The Art. sura/is (m) ; this accompanies the A^. sm-alis down- 

 wards along" the calf -muscle, and is distributed in the skin of the 

 inner side of the heel. 



e. While passing- between the fibres of theM. iihialis 2wdicns, the 

 tibial artery gives off muscular twigs ; one larger than the rest is 

 known as the Ramus âescenâevs. 



D. The anterior tibial artery [Arieria fihialis ant'ica), (Fig. 

 157 A«.) is the continuation of the tibial artery after piercing- the 

 tibio-fibula. It runs F,-g. 157. 



downwards on the 

 anterior surface of 

 the leg-, then between 

 the two heads of the 

 M. tlhialis anticus to 

 the dorsum of the 

 foot, where it is con- 

 tinned as the Arte- 

 ria dor sal is pedis. It 

 supplies : — 



a. Rami muscidares 

 to the M. peronens, 

 M. extensor cruris, 

 and to the M. flexor 

 tarsi anterior. 



b. The Art. cuta- 

 nea cruris inferior 

 ((?.e./.) passes between 

 the two heads of the 

 M. tlhialis anticus to 

 the skin of the ante- 

 rior and outer sides 

 of the leg". 



c. The Art. cuta- 

 nea calcanei (e.c.) is 

 given off at the 

 ankle-joint; it runs 

 outwards on the 

 lower end of the 

 tibio-fibula, g-iving branches 



Arteries of the dorsal surface of tlie foot. 



c.i;. 



c.c.i. 



Ft' 



h 



?i 



72 

 »3 



«4 

 ml 

 m.m. 

 t.a. 



fa* 



Art. cutanea calcanei. 



Art. cutanea cruris inferior. 



M. flexor tarsi. 



Art. cutanea haUucis. 



Art. interossea dorsalis I. 



Art. interossea dorsalis II. 



Art. interossea dorsalis III. 



Art. interossea dorsalis IV. 



Art. maUeolaris lateralis. 



Art. maUeolaris niediaUs. 



Anterior tibial artery. 



Bifurcation of the dorsalis pedis artery. 



Art. tarsea. 



to the joint, then backwai-ds between 



