detailed cross section of human tongue anatomy showing papillae and taste bud structures with scientific terminology

anatomy tongue crosssection papillae tastebuds structures scientific terminology medical anatomical drawing detailed whitebackground biological medicalscience internalorgan humanbody cutawayview labeled textured layers epithelia nervoussystem gustatorysystem sensoryperception epidermis dermis muscletissue connectivetissue clinical academic educational research visceral oralcavity lingual gustatory somatosensory micrograph cellular epithelium keratin collagen nerves receptors neurotransmitters microscopic macroscopic analytical