<prompt> Most prominent spinous process is of which vertebra?C6C7L1T12  <response>: Ans. b C7. Ref. BD Chaurasia, Anatomy, Vol 3, 2ndpg.35Importance of certain cervical vertebral levelCs-C6Most common disc space reduced in cervical spondylosis.C6has prominent bony tubercle called Chassaignaes tubercle at the level of cricoid cartilage a level where trachea ends.C7is also known as vertebra prominence as it has most prominent and long spinous process among the all-cervical vertebrae, and the tip of which can be felt on palpation just below the nape of the neck.C7 spinous process tip give attachment to following structures:- Ligamentum nuchae- Rhomboidus minor- Serratus posterior- Semispinalis, and- Trapezius- Interspinalis- Splenius capitis- Spinalis cervicis 