16th-century anatomists 19th century anatomists 19th century anatomy 3D autostereoscopic display 3D holography 3D model Brainstem monoamine neurons Canidae Cruveilhier Flaminio Rota Louis Bojanus Macacca mulatta ROI University of Bologna aberrant branches accessory mental foramen accessory olfactory bulb adrenal glands airways amphetamine derivatives anatomic variation anatomical sciences education anatomical terminology anatomical variation anatomical variations anatomo-clinical method anatomy anatomy education anthropomorphic chest phantom arterial variation