histological sample elastic cartilage tisue under the microscope.

abstract anatomy animal art background beauty biology biopsy cancer cartilage cell closeup collagen connective details diagnostic disease education elastic embryology epithelium exploration fiber gland health healthy histological histology human hyaline illness joint larynx magnify medical micro microscope microscopen microscopic microscopy morphology muscle nerves organ pattern perichondrium preparation research sample science scientific section skeleton smooth stained structure study texture tissue tisue