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.
Irradiation linearly decreases thymic size. Six groups of thymi (five per group) received a single dose of radiation and were sacrificed 1 week later without stem cell rescue. The thymic weights were decreased with escalating radiation dose in a linear fashion (standard error bars shown).
