ultrastructure
the nanostructure of a biological specimen that can be viewed with ultramicroscopy or electron microscopy
en-US/ˈʌltɹəˌstɹʌkt͡ʃɚ/
en-GB/ʌltɹəstɹʌkt͡ʃə/
the nanostructure of a biological specimen that can be viewed with ultramicroscopy or electron microscopy