anodonta gills ciliated epithelium under the microscope - abstract pink and purple color on white background

abstract adventitia anatomy art background biology blood cell ciliated cilium design elastic epithelium fibres graphic grunge health hemoglobin histology illustration intima lamina layer long lumen macro magnification medical micro micrograph microscope microscopy muscle organ organic paint pattern pink pseudoestratified purple respiratory science scientific section smooth texture tissue trachea tunica vein