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.
Microphotographs of cell cultures on subsequent days of neurite assessment: (A–F) PC12 cell line; (G–L) PC12 Adh cell line; (A,G) 2 days of incubation with nerve growth factor (NGF); (B,H) 3 days; (C,I) 5 days; (D,J) 7 days; (E,K) 14 days; (F,L) 21 days.
