Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Morphological assessment of Streptococcus sp. bacteria. Photograph shows macro- and micromorphology of Streptococcus sp. 1 – S. mutans colonies with characteristic white coloration on the tested medium; 2 – on blood agar (BA); 3 – S. mutans cells in Gram-stained preparation. Photograph 3 taken with an Olympus CX41 microscope, coupled to a CaMedia C5550 camera; 4 – S. mutans cells in a JEOL JSM-35CF SEM.
