fish blood smear, erythrocytes with micronucleus, 80x light micrograph

80x anatomy animal background biology blood cell cells close cut cytology detail education erythrocytes fish hematology histology isolated lab light macro magnification magnified micro microanatomy microbiology micrograph micronucleus microscope microscopic microscopy microsection nature nucleus out photo photomicrograph red research sample science slide smear specimen visual white whole