Virtual EmbryoVirtual Embryo
Virtual Embryo Atlas

Developmental timeline

TS1 (fertilized egg) → P56 (adult) · click a stage to load samples
TimelineModality
TS1
TS1
E0.5
1-cell
TS2
TS2
E1
2-cell
TS3
TS3
E2
4-16 cell
TS4
TS4
E3
morula → blastocyst
TS5
TS5
E4
late blastocyst
TS6
TS6
E4.5
attaching blastocyst
TS71
TS7
E5
egg cylinder
TS81
TS8
E6
prestreak
TS91
TS9
E6.5
streak
TS102
TS10
E7
amnion
TS112
TS11
E7.5
neural plate
TS125
TS12
E8
neural folds
TS132
TS13
E8.5
5-8 somites
TS142
TS14
E9
9-12 somites
TS1510
TS15
E9.5
13-20 somites
TS166
TS16
E10
forelimb buds
TS174
TS17
E10.5
hindlimb buds
TS187
TS18
E11
handplate
TS1911
TS19
E11.5
hindlimb handplate
TS203
TS20
E12
digital rays
TS213
TS21
E13.5
finger separation
TS222
TS22
E14
eyelid formation
TS2316
TS23
E15
eyelids closing
TS246
TS24
E15.5
ear pinna
TS255
TS25
E16.5
long whiskers
TS262
TS26
E17.5
body hair
TS271
TS27
E18.5
pre-birth
P7
P7
P7
postnatal day 7
P56
P56
P56
adult (8 weeks)
E0
E2
E4
E6
E8
E10
E12
E14
E16
E18
Birth
E0E5E10E15BirthP7P56

TS28

E19· Newborn

Day of birth (postnatal day 0).

0samples
3D reference models
No reconstructed 3D models converted for this stage yet. Kaufman plate histology may still be available.
scRNA-seq · Literature · Predictions — coming soon
←TS27
Previous
TS27E18.5
Pre-birth
About Theiler staging

Karl Theiler's staging system (1972) partitions prenatal development into 28 morphologically distinct steps. Virtual Embryo aligns all imagery, anatomy, and future spatial transcriptomics data to this axis.

Next
P7P7
Postnatal day 7
P7→