10 VETERINARY DIAGNOSTIC ENDOSCOPY SYSTEMS, COMPRISED OF ELONGATE TUBULAR ELEMENTS HAVING A DISTAL END AND A PROXIMAL END, ENDOSCOPIC LIGHT SOURCES, FIBER OPTIC CABLES, VIDEO CAMERAS, MONITORS, INSUFLATORS, INSTRUMENT TRAYS, AND ENDOSCOPIC INSTRUMENTS, NAMELY GRASPERS, SCISSORS, RETRACTORS, BIOPSY FORCEPS, AND NEEDLE TROCARS