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fate maps:32 a2



blastomere a2

contributes to:


animal major: moderate: minor:
ventral dorsal

retina, dorsal brain, spinal chord, cranial ganglia, neural crest, cement gland, olfactory placode, lens, head epidermis

branchial arch

Otocyst, trunk epidermis

central somite, heart



head somite

liver, ventral hindgut

vegetal mapping data based upon Moody (1987)