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Vertebral artery 360°
1-1-201610.45am
Great teachers – All this is their work . I am just the reader of their books .
Prof. Paolo castelnuovo
Prof. Aldo Stamm Prof. Mario Sanna
Prof. Magnan
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Robbins level II. 1 Sternocleidomastoid muscle, 2 posterior belly of digastric muscle, 3spinal accessory nerve (common trunk), 4 internal jugular vein, 5 splenius capitis muscle, 6 levatorscapulae muscle, 7 anterior scalene muscle, 8 transverse process of atlas, 9 hypoglossal nerve, 10carotid bifurcation, 11 branches of cervical plexus
Superior view of the atlas and the axis.The atlas consists of two thick lateral masses situated
at the anteromedial part of the ring, which are connectedin front by a short anterior arch and posteriorly
by a longer curved posterior arch. 1, anterior archof the atlas; 2, superior articular facet is an oval, concave
facet that articulates with the occipital condyle;3, posterior arch of the atlas; 4, vertebral artery (VA);5, transverse foramina; 6, transverse process; 7, dens
of the axis.
The entrance of the vertebral artery is the boundary between the foramen magnum and the spinal part of the accessory nerve.
The root fibers of the spinal accessory nerve and the fibres of C1 and C2
Fibrous tissue surrounds the entrance ofthe vertebral artery into the CPA.
Left side. Combined transsigmoid, suboccipitaland extreme lateral approaches provide an overview off the craniocervical junction, the foramen magnum area, and the surrounding structures of the medullary stem.
In transcochlear approach
From verterbral artery book
From verterbral artery book
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