Merkel Cell
Mechano-sensor in buccal mucosa also in finger tips
Latch and oral tactile recognition of suckling (milking) area of breast.
Penfield’s Sensory Homunculus
Encoding the neural image for human imprinting. Similar process with Braille script
Mobbs. E Acta Paediatrica 2015
http://onlinelibrary.wiley.com/doi/10.1111/apa.13034/full