An official website of the United States government
Here's how you know
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.
FIG. 4. MEMRI image of two E14.5 embryo heads are shown (E1 is head-down and E2 is head-up).
Living embryos demonstrated well-localized CNS Mn-enhancement (as in E2); a more diffuse pattern of enhancement (as in E1) was associated with embryo demise on survival studies. (Mn dose = 80 mg/ kg).