The present study was designed to investigate the anatomical features, histological structure of the penis and radiographic of the internal pattern of blood flow inside corpus cavernousun penis of small ruminants (Ram and Buck) .Most if not all the studies carried out last years on the anatomy and histology of the male genital system in ruminant .It has recognized that the penis is of a considerable importance in clinical veterinary science facing veterinarian. Most of the penis problems in ruminants today are concerned the body and free part of the penis {rupture of tunica albuginea (broken penis) or (fracture of penis), phimosis} . There are many important differences in the anatomical features and histological structure between penises different species. The ruminants form by far the largest and most important group of mammals .The small ruminants including sheep and goat belong Family Bovidia and sub family Ovine and Caprine respectively with few morphological differences between them, and they in order of Actiodctyle . relatively very little researches about the anatomical features and histological structure of the penis of Ram and Buck specially the native bread