Bassett Collection of Stereoscopic Images of Human Anatomy

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KEYWORDS: Bones cartilage joints, Cheek, Exocrine and endocrine, Face, Mouth, Muscles and tendons, Peripheral nervous system.

Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Left infraorbital, labial and buccal regions

Mental nerve; marginal mandibular branches of facial nerve; labial glands, anterolateral view

The quadratus labii inferioris, the inferior part of the orbicularis oris and part of the mental muscle have been removed.

1 .	Upper pointer: Labial gland Lower pointer: Oral mucosa (lamina propria)
2 .	Labial commissure
3 .	Lower lip
4 .	Labial glands
5 .	Inferior labial artery (cut off)
6 .	Midline section through muscles of mental region
7 .	Mentalis muscle (area of origin from mandible)
8 .	Upper pointer: Inferior labial branches of mental nerve Lower pointer: Mentalis branch of mental nerve
9 .	Mentum
10 .	Superior labial artery
11 .	Buccinator muscle
12 .	Parotid duct (cut off)
13 .	Zygomaticus muscle (cut across)
14 .	Buccal nerve
15 .	External maxillary artery
16 .	Inferior labial artery and buccinator muscle
17 .	Mandible
18 .	Filaments of marginal mandibular branch of facial nerve
19 .	Mental foramen
20 .	Origin of depressor labii inferioris muscle
21 .	Digastric muscle and hyoid bone