semicircular canal lateral semicircular canal EMAPA:17821 Wikipedia:Lateral_semicircular_canal TAO:0000220 SCTID:279761005 ZFA:0000220 horizontal semicircular canal EHDAA2:0000920 lateral semicircular canals FMA:60193 lateral semicircular duct MA:0001208 UBERON:0001843 EHDAA:7790