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.
Mid-diaphyseal cross-sections of femora of anurans of small body size. (A) Bombina orientalis; (B) Ascaphus truei; (C) Discoglossus sp.; (D) Rana esculenta (a hybrid of R. ridibunda and R. lessonae); (E) Rana ridibunda; (F) Rana iberica; (G) Pelobates fuscus; (H) Rana dalmatina; (I) ‘Bufo’pentoni; (J) Pachymedusa dacnicolor. A is aquatic, B–F are amphibious and G–J are terrestrial.
