Mouse Embryo Atlases | National Institute of Environmental Health Sciences
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Mouse Embryo Atlases
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Global Toxicologic Pathology Training Program
Central Nervous System
: A guide to the development of the mouse central nervous system from embryonic days 7.5-18.5, including representative histology images. (Last reviewed February 2026)
Heart
: A guide to the development of the mouse heart from embryonic days 11.5-18.5, including representative histology images. (Last reviewed February 2026)
Hepatobiliary System
: A guide to the development of the mouse hepatobiliary system from embryonic days 9.5-18.5, including representative histology images. (Last reviewed February 2026)
Hepatobiliary Hemolymphatic Vascular System
: A guide to the development of the mouse hepatobiliary hemolymphatic vascular system from embryonic days 11.5-18.5 and early postnatal timepoints, including representative histology images. (Last reviewed February 2026)
Placenta
: A guide to the development of the mouse placenta from embryonic days 4.5–18.5, including representative histology and immunohistochemistry images. (Last Reviewed February 2026)
Respiratory System
: A guide to the development of the mouse respiratory system from embryonic day 9.0 to postnatal day 30, including representative histology images. (Last Reviewed February 2026)
Urinary System
: A guide to the development of the mouse urinary system from embryonic days 10.5-18.5, including representative histology images. (Last reviewed February 2026)
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Last Reviewed: February 24, 2026