The Uncleanness of Secretions. - These include (1) a running issue from a man (Lev 15:2-15); (2) involuntary emission of seed (Lev 15:16, Lev 15:17), and the emission of seed in sexual intercourse (Lev 15:18); (3) the monthly period of a woman (Lev 15:19-24); (4) a diseased issue of blood from a woman (Lev 15:25-30). They consist, therefore, of two diseased and two natural secretions from the organs of generation.