NATIONAL INSTITUTE FOR BASIC BIOLOGY
Fig. 1 Gene expression at the site of the silk gland invagination at stage 19.
A. A sagittal section stained with hematoxylin-eosine. B. Hybridization with a Bombyx Scr probe. C. Hybridization with a POU-M1 probe. The arrowhead indicates an invagination of the silk gland. The bar indicates 50 um.