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.
Thymus of rat after surgical orchidectomy. Periarterial and periarteriolar AChE-positive nerve plexuses. Nerve fibres detached from periarteriolar plexuses of the medulla penetrating the internal portion of the cortex of lobules. Scale bar: 50 µm.
