82 EQUINE ANATOMY. 



5. Fharyngo-glossus. — Attachments : The lateral 

 walls of the pharynx and posterior part of the tongue. 

 Glands : racemose and follicular. Blood vessels, the 

 lingual and sub-lingual arteries. Nerves, the lingual, 

 glosso-pharyngual and gre^^t hypo-glossus. 



e. Soft Palate — Velum pendulum palati. — Two 

 faces : the anterior united to the tongue by the poste- 

 rior pillars of that organ; the posterior or pharyngeal 

 with longitudinal ridges. Two lateral borders: one 

 anterior, all attached on bones ; one posterior border, 

 embracing the epiglottic cartilage with the two poste- 

 rior folds, forming the posterior pillars of the velum 

 palati. It closes the isthmus of the fauces. Structure: 

 a fibrous membrane and four muscles : 



1 . Pharyngo-staphyleus. — Synonyms. Palato-sta- 

 phyleus, (P). Attachments : Coiitinujpus to the fi^'ous 

 membrane. T^^ct&f Tofretcnes the velum palati. 



2. Palato-staphyleus. — Synonyms. Staphyleus,(G). 

 Circumflex palati, (P). Attaclied to the palatine arch 

 and the free border of the septum, which it raises. 



3. Perystaphyleus externus. — Synonyms. Ten- 

 sor palati, (P). Attachments : The styloid process of 

 the temporal, and fibrous layer of the velum palati. 

 Action : Tensor and depressor. 



4. Perystaphyleus internus. — Synonyms. Stylo- 

 pharyngeus, (P). Attachments: Same as above. Act- 



