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- Embryo - Wikipedia
A newly developing human is typically referred to as an embryo until the ninth week after conception, when it is then referred to as a fetus In other multicellular organisms, the word "embryo" can be used more broadly to any early developmental or life cycle stage prior to birth or hatching
- Embryo | Description, Characteristics, Development | Britannica
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 of the seventh week following conception
- Embryo vs. Fetus: What’s the Difference? - Healthline
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 Meaning - Merriam-Webster
: an animal in the early stages of development that are marked by cleavage, the laying down of the basic tissues, and the formation of primitive organs and organ systems compare fetus : a tiny young plant within a seed : a beginning or undeveloped stageused especially in the phrase in embryo
- What is the difference between an embryo, a fetus, and a baby? - Clue
When egg and sperm meet, a zygote is formed and quickly begins dividing to become an embryo As pregnancy progresses, the embryo becomes a fetus The fetus becomes a neonate or newborn at birth
- Embryo - Definition and Examples - Biology Online Dictionary
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
- Embryo | definition of Embryo by Medical dictionary
embryo An organism in its earliest stages of development, especially before it has reached a stage at which it can be distinguished from other species The human embryo is so called up to the eighth week after fertilization After that it is called a fetus
- Embryonic Development - Embryology
Clicking the Carnegie stage numbers opens a page dedicated to describing that single stage and the associated developmental events This page shows some key events of human development during the embryonic period of the first eight weeks (weeks 1 - 8) following fertilization
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