Keywords
close up, cross section, full frame, healthcare, hollow, human reproduction, human reproductive organ, leydig cell, light micrograph, magnification, medical, medical illustration, medicine, natural pattern, pattern, pipe, round, seminiferous tubule, small group of objects, sperm production, spermatogenesis, testis, transmission electron micrograph, tube, tubule, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u13923027