Something that is in a developmental state. In vertebrates, it is the organism formed during conception and existing prior to birth.

Articles on that refer to Embryo

Top News of 2002 By Ray Kurzweil and Amara D. Angelica
The Last Human By Gregory Stock
Engineering Humans, Part 1 By Rachel Massey
Notes and References By K. Eric Drexler
Diary of an Immortal Man By Richard Dooling
The Technological Singularity By Vernor Vinge
Chapter 9: A Door To The Future By K. Eric Drexler
Chapter 7: Engines of Healing By K. Eric Drexler
Human Cloning is the Least of It By Ray Kurzweil
Chapter 3: Organism and Machine By Michael Denton

News Articles that refer to Embryo

DNA test would take guesswork out of IVF
First human clone embryo ready for implantation
Engineering by Scientists on Embryo Stirs Criticism
New Technique Harvests Stem Cells at Earlier Stage
DNA re-write could allay cloning fears
First Human Clone, Again; Scientist to Plant 'Electrified' Egg in
Here Kitty, Kitty, Kitty, Kitty
British Researchers Apply for Licence to Generate Human Brain Cells
Stem-Cell Method May Cheat Death
US denies patent for part-human hybrid

Related Links

The Visible Embryo