Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Cover: Agenesis of the corpus callosum in the transgenic mouse strainTAS. Coronal sections through the rostral levels of the cerebrum in adult wild-type (top) and adult TAS (bottom) mice were stained with Klü ver-Barrera. For more information, see the paper by Mizuno et al, this issue.