<prompt> pressure sensitive receptors of skin are ?messiners corposculesmerkel cellspacinian corpusculesruffinis endings  <response>: a Free nerve endings -- tactile superficial pain b Krause;s corpuscles -- cold receptors c Meissner;s corpuscles -- tactile skin receptors d Merkel;s corpuscles -- tactile receptors in the oral mucosa submucosa of the tongue e Ruffini;s corpuscles -- pressure warmth receptors ref : guyton and hall 