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

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Dissection of thorax from a posterior approach

Ligaments of costotransverse articulations in mid-thoracic region

The dorsal muscles have been removed from the central area of the dissection.

1 .	External intercostal muscle
2 .	Longissimus thoracis muscle (tendon of insertion)
3 .	Intertransverse ligament
4 .	Levator costarum brevis muscle
5 .	Superior costotransverse ligament (upper pointer on anterior division, lower pointer on posterior division)
6 .	Costal tubercle VI
7 .	Angle of rib VI (pointer on tendon of insertion of one slip of iliocostalis thoracis muscle)
8 .	Lateral costotransverse ligament
9 .	Dorsal branch posterior intercostal artery V
10 .	Dorsal branch thoracic nerve V
11 .	Upper pointer: Neck of rib Lower pointer: Costotransverse ligament (occupying foramen costotransversarium)
12 .	Intervertebral joint capsule Th. V-VI
13 .	Transverse process Th. vertebra VI
14 .	Lamina of vertebral arch Th. VI
15 .	Spinous process vertebrae Th. VI
16 .	Nerve to levator costarum brevis muscle (branch of dorsal branch)
17 .	Rotator brevis muscle