Bassett Collection Large Image - Lane Medical Library, Stanford University Medical Center

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Posterior cervical region and suboccipital muscles dissected from behind

Semispinalis capitis and semispinalis cervicis muscles

The splenius muscles have been cut away and the fascia has been completely removed from the semispinalis muscles.

1 .	Occipital bone
2 .	Remnant of insertion of splenius capitis muscle
3 .	Occipital artery
4 .	Third occipital nerve
5 .	Mastoid process temporal bone (partially cut away laterally)
6 .	Nuchal ligament
7 .	Semispinalis capitis muscle
8 .	Longissimus capitis muscle
9 .	Middle scalene muscle
10 .	Tendon of origin of levator scapulae muscle (cut across)
11 .	Longissimus cervicis muscle
12 .	Posterior scalene muscle
13 .	Rib I
14 .	External intercostal muscle
15 .	Iliocostalis cervicis muscle
16 .	Rib II
17 .	Greater occipital nerve
18 .	Lesser occipital nerve
19 .	Sternocleidomastoid muscle
20 .	Aponeurosis of origin of splenius capitis muscle
21 .	Spinous process vertebra C. VI
22 .	Interspinalis cervicis muscle
23 .	Semispinalis cervicis muscle
24 .	Trapezius muscle