Metzora, Metzorah, M'tzora, Mezora, Metsora, M'tsora, Metsoro, Meṣora, or Maṣoro (מְצֹרָע — Hebrew for "one being diseased," the ninth word, and the first distinctive word, in the parashah) is the 28th weekly Torah portion (פָּרָשָׁה, parashah) in the annual Jewish cycle of Torah reading and the fifth in the Book of Leviticus. The parashah deals with ritual impurity. It addresses cleansing from skin disease (צָּרַעַת, tzara'at), houses with an eruptive plague, male genital discharges, and menstruation.
(summary from Wikipedia.org)
