Keywords:
amnion attachment,
body stalk,
caudal eminence,
caudal intestinal portal,
caudal neuropore,
cephalic intestinal portal,
cephalic neuropore,
communication between primordial peritoneal cavity and extra-embryonic coelom,
cut edge of amnion,
gastrulation (primitive) streak area,
head fold region,
heart prominence,
lateral body fold,
maxillary prominence of pharyngeal arch 1,
mesencephalon,
midgut,
midgut endoderm,
neural fold,
neural groove,
neural plate,
neural tube (deep to ectoderm),
notochordal plate,
optic area,
optic groove,
otic placode region,
paraxial mesoderm (deep to ectoderm),
pharyngeal arch 1,
primordial diencephalon (D1),
primordial diencephalon (D2),
rhombencephalon (hindbrain),
somite 4 (O-4) (deep to ectoderm),
stomodeum,
tail fold region,
terminal notch,
trigeminal nerve prominence,
umbilical vesicle wall (cut),
umbilical vesicle wall endoderm
Source: The Virtual Human Embryo.