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eHistology Viewer

eHistology Viewer

High-resolution annotated histological sections of human embryonic and fetal development.

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Embryo Scans

Embryonic Stages

Images and 3D models of human embryos.

Carnegie Stages HREM models Embryos with abnormal karyotype
Fetal Scans

Fetal Stages

3D fetal models from 8 to 21 post conception weeks.

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Organ Systems

Organ Systems

Browse development by 3D reconstructions and gene expression in anatomical systems.

Cardiovascular system Eye Gastrointestinal tract Inner Ear Nervous system Pituitary Urogenital system
Gene Expression

Gene Expression

Gene expression datasets throughout human development.

Gene Expression Portal Gene Expression Studies
Kaufman Atlas

Mouse Development

Mouse embryo atlas and developmental supplement.

Kaufman Atlas of Mouse Development Kaufman Supplement DMDD Placenta Images Comparison of Human Mouse and Chick Staging
Omics

Omics Data

Abnormal exome sequencing, spatial biology and single-cell datasets.

Genomic and Transcriptomic Data Abnormal Sample Exome Sequencing
Animated Embryology

Animated Embryology

Educational animations illustrating human development.

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Species Comparison

Staging Criteria

Embryonic and fetal staging guides, and species comparisons.

Embryo staging criteria Embryo staging image gallery Fetal staging criteria Comparison of Human, Mouse and Chick Staging
Documentation

Documentation

Publications, protocols, user guides and supporting information.

Publications Protocols eHistology User guide Data submissions Digital downloads