Waves can also be separated into transverse and longitudinal waves. In a transverse wave, the motion of the particles of the medium is at right angles (i.e., transverse) to the direction the wave moves.
The experiment's name comes from the Tuskegee Institute, the black university founded by Booker T. Washington. Its affiliated hospital lent the PHS its medical facilities for the study, and other predominantly black institutions as well as local black doctors also participated.
Tuskegee Institute Training School of Nurses was registered with the State Board of Nursing in Alabama in September 1892 under the auspices of Tuskegee University's John A. Andrew Memorial Hospital.