7.4.1. Abbreviations for the Therapeutic Descriptions of the FunctionalSystems

NS - nervous system
SI - sight
HE - hearing
SM - smell
TA - taste
TO - touch

RS - respiratory system
CS - circulatory system
DS - digestive system
US - urinary system

MR - male reproductive system
FR - female reproductive system

MS - muscular system
SS - skeletal system
PS - protective system, skin