Home Collection Human Pancreas development 13-14 pcw fetus 1 Mallory stain H&E stain Insulin Glucagon f; CRL - 106 mm; acidic formalin х20 40% f; CRL - 106 mm; acidic formalin 40% f; CRL - 106 mm; acidic formalin 100% f; CRL - 106 mm; acidic formalin 40% 100%