Biological Sciences and Healthcare, part 1

... > procedure > Procedure by site > Procedure on body region (procedure) > Procedure on head AND/OR neck > Procedure on head > Operative procedure on head > Operation on brain > Brain cerebrospinal fluid pathway operation > Operation on brain ventricle > Excision of lesion of ventricle of brain > Excision of lesion of choroid plexus

... > procedure > Procedure by method > Surgical procedure (procedure) > Operative procedure on head > Operation on brain > Brain cerebrospinal fluid pathway operation > Operation on brain ventricle > Excision of lesion of ventricle of brain > Excision of lesion of choroid plexus

... > procedure > Procedure by site > Procedure on organ system > Procedure on nervous system > Procedure on central nervous system > Procedure on brain > Operation on brain > Brain cerebrospinal fluid pathway operation > Operation on brain ventricle > Excision of lesion of ventricle of brain > Excision of lesion of choroid plexus

... > procedure > Procedure by site > Procedure on organ > Procedure on brain > Operation on brain > Brain cerebrospinal fluid pathway operation > Operation on brain ventricle > Excision of lesion of ventricle of brain > Excision of lesion of choroid plexus