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.
TEM micrograph showing a typical lamina of movable osteoblasts (mOB) lining the surface of a primitive haversian space in a 14-day-old chick embryo tibia. Note three apoptotic cells (arrows) located between the osteoblasts and the blood capillary. Scale bar = 3 µm.
