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.
Scanning Electron Microscope images of anterior sucker of a Limnatis nilotica specimen. Oral sucker and the three jaws in the bottom (A), The jaws are in form of a triangle (B) bearing a number of rounded papillae on both sides (C) and a line of tooth craters in the apex (white arrow) (D).
