Third pa of veebral aery is related to which marked area in the following diagram
Correct Answer: A
Description: Marked structures are as follows: A: Posterior arch of atlas; B: Foramen transversarium; C: Anterior arch; D: Superior aicular facet. Veebral aery has 4 pas: V1 - Preforaminal (from subclan aery to transverse foramen of C6) V2 - Foraminal (through the transverse foramina of C6 to C2) V3 - Extradural (from the transverse foramen of axis to the veebral canal) V4 - Intradural (from the veebral canal to the inferior border of pons) The given diagram is atlas veebra (superior view) and marker A shows the posterior arch of atlas, which is related to the third pa of veebral aery.
Category:
Anatomy
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