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.
Comparison of anuran and urodela embryo developmental rates using X. laevis and P. waltl as examples. Gray arrows indicate the expression of IgM heavy-chain transcripts in both species. rVOR: vestibuloocular reflex. Adapted from [18,44] with the permission of Elsevier Ltd. and John Wiley and Sons.
