The authors carry out an experimental study to evaluat e the replacement of the medial meniscus in the rat kne e by auricular perichondrial grafts (simple or plicated).This bring about a reparative replay with formation of cartilage tissue. When the perichondrial graft was used at the plicated form, it could keep out two kinds of neoformated cartilage; the first appeared in the most internal stratum of the perichondrium; the second type was found in the withdrawal zone of it. The possible origen of the neocartilage form is discussed.... [Leer más...]