Embryo - Wikipedia
An embryo (/ ˈɛmbrioʊ / EM-bree-oh) is the initial stage of development for a multicellular organism. In organisms that reproduce sexually, embryonic development is the part of the life …
Embryo | Description, Characteristics, & Development | Britannica
Oct 5, 2025 · An embryo is the early developmental stage of an animal while it is in the egg or within the uterus of the mother. In humans the term is applied to the unborn child until the end …
Embryo vs. Fetus: What’s the Difference? - Healthline
Apr 12, 2023 · During each week of pregnancy, your baby is growing. Here’s a look at what medical terms like embryo and fetus mean in terms of development.
Embryo - Definition and Examples - Biology Online Dictionary
Aug 13, 2023 · An embryo is a newly fertilized egg (zygote) up till the eighth week of development as it transforms through the morula, blastula, gastrula, and organogenesis stages. Learn more …
EMBRYO Definition & Meaning - Merriam-Webster
The meaning of EMBRYO is an animal in the early stages of growth and differentiation that are characterized by cleavage, the laying down of fundamental tissues, and the formation of …
What is the difference between an embryo, a fetus, and a baby?
Aug 26, 2021 · The embryo (and later the fetus) is reliant on the pregnant person’s blood (which carry oxygen and nutrients) through the placenta. The placenta is an organ specially formed …
Embryo | definition of Embryo by Medical dictionary
embryo An early stages of a developing organism, which follows fertilization of an egg including implantation and very early pregnancy–ie, from conception to the 8 th wk of pregnancy. See …