392 



Arteries of the Head. 



A. supraorbitalis A. frontalis 



Ramus frontalis a. tern- 

 poralis superficialis 



Ramus 



parietalis 



a. temporalis 



superficialis 



# 



Bamus meningeus 

 a. occipitalis 



Rami occipitalcs a. occipitalis 



437. Arteries of the roof of the skull, vieAved from above. 



a) A. siylomastoidea (see Figs. 4-11 and 442) goes through the foramen stj'lomastoideum into 



the canalis facialis, there gives off branches backward to the cllulae mastoideae (rami 

 mastoidei), forward to the m. stapedius (ramus stapediusj and througli the canaliculus 

 chordae tynipani into the middle ear (a. ti/mpanica posterior); it anastomoses at 

 the hiatus canalis facialis with the ramus petrosus superficialis (from the a. meningea 

 media). 



b) Ramus au7-icularis (0. T. anterior terminal branch) to the medial surface of the ex- 



ternal ear, and partly, perforating it, to the lateral surface of the same. 



c) Ramus occipitalis (O.T. posterior terminal branch) behind the ear, upward; it anasto- 



moses with the a occipitalis and the a. temporalis superficialis. 



