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- DictionaryEm·bry·o/ˈembrēˌō/
noun
- 1. an unborn or unhatched offspring in the process of development, in particular a human offspring during the period from approximately the second to the eighth week after fertilization (after which it is usually termed a fetus).
- 2. a thing at a rudimentary stage that shows potential for development: "a simple commodity economy is merely the embryo of a capitalist economy"
An embryo is the initial stage of development for a multicellular organism. In organisms that reproduce sexually, embryonic development is the part of the life cycle that begins just after fertilization of the female egg cell by the male sperm cell.
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.
Learn the meaning of embryo as a noun and a combining form, with examples of usage and word history. Find out how embryo relates to animal development, seed plants, and legal issues.
May 9, 2024 · embryo, 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; from the eighth week the unborn child is called a fetus.
- The Editors of Encyclopaedia Britannica
Aug 13, 2023 · An embryo refers to the early developmental stage of a multicellular organism that follows fertilization. This stage represents a crucial juncture in the life cycle, transitioning from a single fertilized cell into a complex organism with specialized tissues and structures.
Jul 6, 2017 · An embryo refers to the early developmental stage of eukaryotic organisms following the fertilization of an egg (derived from a female) by sperm (derived from a male) as a method of sexual reproduction.
Aug 18, 2023 · A team of researchers suggests that embryo models, which are lab-grown structures with the potential to develop into fetuses, should be considered as embryos. They argue that this would reflect the current scientific advances and the ethical dilemmas of embryo research.
