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.
Embryonic stem cell (ESC), primordial germ cell (PGC) and spermatogonial stem cell (SSC) isolation and identification. Chicken ESCs, PGCs and SSCs were isolated (400×), identified with Nanog and Oct4, SSEA-1 and C-Kit and integrin α6 and integrin β1 by flow cytometry, respectively.
