Ключевые слова: amphibian, anatomy, angular, animal, background, biologist, biology, bone, bones, carpals, closeup, coracoid, dentary, detailed, femur, fibula, frog, ilium, ischium, learning, leg, maxilla, maxillary, nasal, neural arch, neural canal, neural spine, occipital, pelvis, phalanges, premaxilla, pubis, radioulna, rana, sacral, scapula, scientific, skeleton, skull, spine, structure, study, tarsus, teeth, tibia, urostyle, vertebral, vomer, vomerine teeth, white,