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.
Ultrastructure of cells obtained 21 d after induction of differentiation。N: Nucleus, Mt: Mitochondrion, Ly: Lysosome, Er: Rough endoplasmic reticulum (a) Cell samples obtained after 21 d of induction, (b) adult liver tissue sections, (c) cell samples from the control group
