Source: https://veteriankey.com/2-clinical-and-surgical-anatomy-of-the-equine-head-transverse-sections/
Timestamp: 2019-04-25 00:32:22+00:00

Document:
10 Apical naris dilatator m.
12 Terminal branch of the major palatine a.
16 Inferior (mandibular) incisive m.
10 Dental branch of the inferior alveolar a.
22 Dental branch of the inferior alveolar v.
14 Dorsal part of lateral nasal m.
23 Sublingual a. and v.
10 Major palatine a. and v.
20 Depressor labii inferioris m.
23 Dorsal part of lateral nasal m.
25 Levator labii superioris m.
10 Mandibular canal with inferior alveolar n.
11 Depressor labii inferioris m.
15 Branch of infraorbital n.
19 Levator labii superioris m.
20 Lateral nasal a. and v.
12 Depressor labii inferioris m.
13 Mandibular canal with inferior alveolar n.
20 Levator labii superioris m.
21 Branch of infraorbital n.
23 Deep lingual a. and v.
7 Levator labii superioris m.
25 Depressor labii inferioris m.
26 Lateral nasal a. and v.
9 Levator labii superioris m.
23 Mandibular canal with inferior alveolar a., v., and n.
8 Levator labii superioris m.
13 Major palatine a. and v.
25 Lateral nasal a. and v.
26 Rostral maxillary alveolar branch of infraorbital n.
27 Inferior labial a. and v.
30 Dorsal nasal a. and v.
11 Lateral nasal a. and v.
27 Inferior labial a. and vv.
2 Levator labii superioris m.
21 Superior labial a. and v.

References: v.

 v.

 v.

 v.

 v.

 v.

 v.

 v.

 v.

 v.

 v.