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.
Structure of the flagellar basal region and its association with the bacterial cell envelope. OM, outer membrane; PG, peptidoglycan cell wall; IM, inner membrane. The rings visible in electron micrographs are: C - cytoplasmic; M - membrane; S - soluble (periplasmic) P - peptidoglycan (PG) and L - Lipopolysaccharide-containing outer membrane (OM). The letter in the name of each ring indicates the envelope structure with which it associates.
