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.
When evaluating average neurite length (A), longest neurite (B), and the number of primary branches for each motoneuron (C), CNTF additive at a concentration of 50 ng/mL (yellow) consistently produced the greatest positive effect.