What is "vater's corpuscles"

Pacinian \Pa*cin"i*an\, a. (Anat.) Of, pertaining to, or discovered by, Filippo Pacini (1812-1883), an Italian physician of the 19th century.

Pacinian corpuscles, small oval bodies terminating some of the minute branches of the sensory nerves in the skin of the fingers, mesentery, integument and other parts of the body; the corpuscula lamellosa; called also Vater's corpuscles and Vater-Pacini corpuscles. They are sensitive to pressure, and supposed to be tactile organs.