3.2.1.123 brain - 680549 3.2.1.123 culture medium - 646691 3.2.1.123 culture supernatant - -, 646687, 646688 3.2.1.123 additional information endodermal layer, especially digestive cells -, 665547 3.2.1.123 pineal peduncle - -, 665547 3.2.1.123 stomach - -, 665547 3.2.1.123 tentacle - -, 665547