<P> The accessory nerve is derived from the basal plate of the embryonic spinal segments C1 -- C6 . </P>
<P> The accessory nerve is derived from the basal plate of the embryonic spinal segments C1 -- C6 . </P>
where does the spinal accessory nerve come from
where does the spinal accessory nerve come from
basal plate of the embryonic spinal segments C1 -- C6
basal plate of the embryonic spinal segments C1 -- C6