Category:Embryology
v
t
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Human embryonic development
in the first three weeks
Week 1
Fertilization
Oocyte activation
Zygote
Cleavage
Blastomere
Morula
Cavitation
Blastocoel
Blastocyst
Inner cell mass
Trophoblast
Week 2
(
Bilaminar
)
Hypoblast
Epiblast
Week 3
(
Trilaminar
)
Germ layers
Archenteron
/
Primitive streak
Primitive pit
Primitive node
/
Blastopore
Primitive groove
Gastrula
Gastrulation
Regional specification
Ectoderm
Surface ectoderm
Neuroectoderm
Somatopleuric mesenchyme
Neurulation
Neural crest
Endoderm
Splanchnopleuric mesenchyme
Mesoderm
Axial mesoderm
Paraxial
Somite
Somitomere
Intermediate
Lateral plate
Intraembryonic coelom
Splanchnopleuric mesenchyme
Somatopleuric mesenchyme
Wikimedia Commons has media related to
Embryology
.
Embryology
is the subdivision of
developmental biology
that studies
embryos
and their development.
The main article for this
category
is
Embryology
.
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