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.
Splenic extramedullary hematopoiesis in an aged mouse.
Within the red pulp are hematopoietic elements including erythroid and myeloid lineages. Note the large multinucleated megakaryocytes, which are readily visible at this magnification.
