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Fig. S1
C5
efl
efl
6
av
tp
C6
Fig. S2
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C6
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Fig. S3
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Fig. S4
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Fig. S5
T1
C8d
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Fig. S6
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Fig. S7
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Figure S1. Dissection of the sixth cervical spinal nerve as far as the intervertebral
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foramen preserving soft tissue attachments. Extraforaminal ligament (efl) from the
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medial ventral part of the nerve to the ventral tuberculum of the transversal processes
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can be observed. 6: 6th cervical spinal nerve; tp: transversal processes; av: a.
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vertebralis.
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Figure S2. Right lateral view. Dissection of the fifth to seventh cervical spinal nerves
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as far as the intervertebral foramen preserving soft tissue attachments. The spinal
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nerves are manipulated in dorsal direction. Extraforaminal ligaments (efl) from the
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medial ventral part of the nerve to the ventral tuberculum of the transversal processes
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can be observed.
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5, 6, 7: 5th 6th and 7th cervical spinal nerves; tp: transverse process; av: a. vertebralis;
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C5,6,7: 5th, 6th and7th cervical vertebra; efl: extraforaminal ligament.
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Figure S3. Righ lateral view of dissection of the seventh cervical spinal nerve (7).
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When the seventh cervical spinal nerve is manipulated to the lateral side fibrous
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attachments can be observed on the ventral-dorsal medial part of the nerves.
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Figure S4. Right lateral view. Dissection of the eigth cervical spinal nerve as far as
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the intervertebral foramen preserving soft tissue attachments. The extraforaminal
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ligaments exist of a superior and inferior part.
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Figure S5. Right lateral view. Dissection of the first thoracic spinal nerve as far as the
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intervertebral foramen preserving soft tissue attachments. The extraforaminal
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ligaments exist of a superior and inferior part. T1: 1st thoracic spinal nerve; tp:
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transverse process; T1-2: 1st-2nd thoracic vertebra; efl: extraforaminal ligament.
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Figure S6. Right lateral view. Dissection of the first thoracic spinal nerve as far as the
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intervertebral foramen preserving soft tissue attachments. The second spinal cervical
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spinal nerve (2) is manupilated in medial direction. The extraforaminal ligaments
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exist of a superior and inferior part. C1, C2: first and second cervical vertebra; av: a.
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vertebralis; efl: extraforaminal ligament; tp: transverse process.
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Figure S7. Right dorsal lateral view. Dissection of the sixth cervical to first thoracic
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cervical spinal nerves as far as the intervertebral foramen preserving soft tissue
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attachments. The dorsal extraforaminal ligaments (efl) consist of a superior and an
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inferior part. The superior ligaments pass the spinal nerves dorsally; the inferior
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ligaments are attached inferior and medial to the spinal nerves.
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6, 7, 8: 6th, 7th, 8th cervical spinal nerves; T1: first thoracic spinal nerve; tp: transverse
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process; C6-7: 6th-7th cervical vertebra; T1,T2: first, second thoracic vertebra; efl:
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extraforaminal ligament.
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