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.
Sagittal sections through the dorsal midbrain/cerebellar area of four different species. (A) Bombina bombina (11.38 pg DNA/n), (B) Discoglossus pictus (5.29 pg DNA/n), (C) Hyla chrysoscelis (4.67 pg DNA/n), and (D) Rana temporaria (4.26 pg DNA/n). Calibration bar fits to all subfigures. TO, tectum opticum; TS, torus semicircularis; Cer, cerebellum.
