RID18989 posterior rootlet of first cervical nerve 2

RID18990 posterior rootlet of second cervical nerve 2

RID18991 posterior rootlet of third cervical nerve 2

RID18992 posterior rootlet of fourth cervical nerve 2

RID18993 posterior rootlet of fifth cervical nerve 2

RID18994 posterior rootlet of sixth cervical nerve 2

RID18995 posterior rootlet of seventh cervical nerve 2

RID18996 posterior rootlet of eighth cervical nerve 2