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Director’s Council of Public Representatives (COPR)

NIH Public Bulletin – June 2011

Free “Embryo” App Released

Format: App
Institute: National Library of Medicine (NLM)

NLM has released "Embryo," a new app for the iPhone, iPod Touch, and iPad that provides digital representations of early-stage human embryos. Features include human fertilization videos, photo micrographs of early-stage embryo development, 2D and 3D digital images using visual stack dissections, and a pregnancy calculator.

The representations Embryo provides came from the National Museum of Health and Medicine's Carnegie Embryo Collection, which scientists and educators have used as a reference to gauge human embryo development for decades. With support from the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), the tissue in the collection was scanned to create digital serial sections of human embryos that could be accessed online, resulting in the Virtual Human Embryo database. The Embryo app makes the representations from this database available for mobile devices.

Embryo is a collaborative project between NLM, NICHD, Louisiana State University's Virtual Human Embryo Project, and the National Museum of Health and Medicine's Human Developmental Anatomy Center.

Next Steps

You can learn more about Embryo and how to download the app at

This page last reviewed on August 24, 2012

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