part of
immediately_preceded_by
life cycle stage
Carnegie stage 08
organogenesis stage
Carnegie stage 09
19.0
CS09
EHDAA2:CS09
FMA:295913
HsapDv:0000016
Organogenesis stage during which somites 1-3 appear, and neural folds, cardiac primordium, and head fold are present.
Usually starts between day 19 and day 21 post-fertilization.
XUO:0000138
human_developmental_stage