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.
Form differences between brains and endocasts of (A) perinatal and juvenile Alligator and (B) 1‐day‐old and > 8‐week‐old Gallus. Diagrams indicate direction and magnitude of changes in landmark positions from brains to endocasts. The magnitude of vectors reflects true distance.
