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.
Wholemount in situ hybridization of S. kowalevskii Dvl at the following stages: a) blastula, b) gastrula, c) elongating gastrula, and d) prehatching juvenile. All embryos are shown with anterior to the upper left, and the juvenile embryo has dorsal positioned to the upper right. White arrows indicate Dvl up regulation in the anterior mesoderm, and the white arrowheads note the location of the ectodermal ciliated band. p: proboscis, c: collar, t: trunk.
