390 



Arteries of the Neck. 



M. styloglossus 



A. palatina ascendens 

 A. carotis externa | 



A. occipitalis 



A. pharyngea ascendens, 

 A. stemocleidomastoidea^ 



A. luaxillaris externa - - 

 A. carotis interna -- 

 Kami dorsales linguae ^_ - 



A. lingualis , - - 



E. hyoideus 

 A. thyreoidea superior 



A. laryngea superior _ 

 A. carotis communis... 



Branch of the ramus 

 cricothyreoideus of the 

 a. thyreoidea superior 



A. laryngea inferior. 



A. cervicalis 

 ascendens 



A. thyreoidea 

 inferior 



A. profunda 



linguae 

 M. longitudinalis 



inferior 

 M. genioglossus 



Mandibula 



A. submentalis 

 A. sublingualis 

 M. geniohyoideus 

 M. hyoglossus 



Os hvoideum 



Cartilage 

 thyreoidea 



Cartilage 

 cricoidea 



435. 

 The arteries of 

 the larynx and 

 of the tongue, 



viewed from the right. 



(The lamina dextra of the cartilago thyreoidea, the 



right half of the lower jaw and the m. hyoglossus 



have been jiartially removed.) 



3. A. maxillaris externa (continued). 

 c) A. submentalis (see Fig. 434) runs under the m. 

 mylohyoideus, between it and the glandula 

 submaxillaris, forward to the region of the 

 chin ; it anastomoses with the a. sublingualis. 



d) Rami glandular es, arising partly from c), to the glandula submaxillaris. 



e) A. labialis inferior (0. T. inferior coronary artery) (see Fig. 436) arises below the angle 



of the mouth , runs medianward in the lower lip in the m. orbicularis oris , close to 

 the mucous membrane, and forms a broad anastomosis with that of the other side. 



f) A. labialis superior (0. T. superior coronary artery) (see Fig. 436) arises at the angle 



of the mouth, runs in the upper lip like e) in the lower; branches to the nasal septum. 



g) A. awjularis (see Fig. 436), the terminal branch, ascends almost vertically along the lateral 



margin of the nose and anastomoses with the a. dorsalis nasi (from the a. ophthahnica). 



4. A. temporalis superflcialis (sui)erficial temporal artery) (see Figs. 434, 436 438) 



ascends behind the proc. condyloideus mandibulae, in front of the tragus, over the root of the 



zygoma; it is covered at first by the glandula parotis, and then, very tortuous, lies upon 



tiie fascia temporalis ; it divides above the ear into its two terminal branches. Branches : 



a) Rami parotidei, in part also directly from the a. carotis externa, to the parotid gland. 



b) A. transversa faciei (0. T. transverse facial artery), runs forward to the cheek directly 



upon the m. masseter, just below the zygoma, covered behind by the parotid gland. 



c) Rami auriculares anteriores, 3 4 , to the auricle and to the external auditory canal. 



d) A. temporalis media (medial temporal artery) (see Fig. 438) perforates the fascia tempo- 



ralis just above the root of the zygoma, runs upward in the sulcus a. temporalis 

 mediae of the temporal bone and is distril)uted in the m. temporalis. 



e) A. zygomalicoorbitalis, above the zygoma, to the upper margin of the orbit. 



f) Ramus frontalis ((). T. anterior terminal branch), is tortuous and extends first for- 



ward and upward, then backward upon the m. epicranius- 



g) Ramus liar ietalis (0. T. posterior terminal branch), tortuous, backward and upward, 

 f) and g) form a rich anastomotic network with one another, with the aa. frontales and occipitales. 



