Spontaneous Testicular Teratomas in an Inbred Strain of Mice

Abstract

Descriptions of teratoid tumors of the mammalian testis, other than for man and ie horse, are ,are. In mice'oteratoma testis has not heretofore been reported. urthermore,.there are only a few descriptions of the ovarian counterpart of this 'pe of tumor in the mouse., 2, 3, 4 In view of the paucity of information concerng teratomas in mice, their occurrence in the testes of an inbred strain is of conderable interest, especially since they appear spontaneously in a definite proporon of males.