Figure 1

Adrenal gland preparation. A: Embryos were removed from the mother at different days of development. The adrenal glands were excised from the embryos as well as from the newborn rats (P1). B: HE staining of a paraffin section of a rat embryo at E19 showing the kidney and the adrenal gland, enclosing the adrenal cortex and the adrenal medulla.