spirogyra, whole mount of water silk under a light microscope

spirogyra algae green water silk blanket weed mermaids tresses microscope micrograph mount light filamentous charophyte chloroplasts alga chlorophyll photomicrograph stained stain magnified magnification 20x cell cells plant layer detail closeup histology microanatomy specimen sample microscopy visual microsection slide botany biology microbiology science research education isolated cut white background