RSD - rostral semicircular duct

CSD - caudal semicircular duct

HSD - horizontal semicircular duct

AMP - ampulla

SC spinal cord

OO approximate location of otolith organs

CB cerebellum

EP endolymphatic pore

DRt dorsal root

MED medulla

VA approximate location of vestibular apparatus in skull

OPL optic lobes of mesencephalon

TEL telencephalon

OB olfactory bulb

MAC -macula

MED -medulla

LR labyrinth region (cavity in skull)

SD semicircular duct