Ключевые слова: biology, cartilage, cell, collagen, connective, cytology, ear, elastic, eosin, fibers, healthy, hematoxylin, histology, hondrocyte, human, light, macro, microbiology, micrograph, microscope, microscopic, microscopy, natural, nuclear, nucleus, outer, photomicrograph, stain, staining, tissue, ultrastructure,