An official website of the United States government
Here's how you know
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.
Effect on application of rotational force on various root morphologies. (A) Rotational force on normal root. (B) Rotational force on short root. (C) Rotational force on blunt root. (D) Rotational force on dilacerated root. (E) Rotational force on pipette root.