<P> Cartilage--blue Bone matrix--deep blue Muscle fibers--red </P> <Tr> <Td> Weigert's elastic stain </Td> <Td> Elastic fibers </Td> <Td> Blue / black </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> Elastic fibers--blue / black </Td> </Tr> <Tr> <Td> Heidenhain's AZAN trichrome stain </Td> <Td> Distinguishing cells from extracellular components </Td> <Td> Red / purple </Td> <Td> Pink </Td> <Td> Red </Td> <Td> Blue </Td> <Td> Muscle fibers--red Cartilage--blue Bone matrix--blue </Td> </Tr> <Tr> <Td> Silver stain </Td> <Td> Reticular fibers, nerve fibers, fungi </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> Reticular fibers--brown / black Nerve fibers--brown / black Fungi--black </Td> </Tr>

Does the micrograph show a tissue or an organ