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Definitions

embryo

[em-bree-oh] / ˈɛm briˌoʊ /
NOUN
fetus
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ectopic pregnancies are when the embryo starts growing outside the womb, usually in the fallopian tube, and can be life-threatening.

From BBC • Mar. 9, 2026

He said "a huge team of people" had been involved in the process - from the transplant operation to the embryo transfer and the delivery itself.

From BBC • Feb. 23, 2026

These pathways guide critical processes such as embryo formation and organ development.

From Science Daily • Feb. 4, 2026

The research team discovered that many of these extra mutations arise soon after conception during the earliest rounds of cell division in the embryo.

From Science Daily • Dec. 3, 2025

In a volley of pathbreaking papers published between 1986 and 1990, Nüsslein-Volhard and her colleagues definitively identified several of the factors that provide the signal for “headness” and “tailness” in the embryo.

From "The Gene" by Siddhartha Mukherjee