Search results
The embryonic period varies from species to species. In human development, the term fetus is used instead of embryo after the ninth week after conception, [19] whereas in zebrafish, embryonic development is considered finished when a bone called the cleithrum becomes visible. [20]
Apr 12, 2023 · The embryonic period is all about the formation of important systems of the body. Think of it as your baby’s basic foundation and framework. The fetal period, on the other hand, is more about...
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 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.
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.
2 days ago · This page shows some key events of human development during the embryonic period of the first eight weeks (weeks 1 - 8) following fertilization. This period is also considered the organogenic period, when most organs within the embryo have begun to form. There are links to more detailed descriptions which can be viewed in a week by week format ...
v. t. e. Human embryonic development or human embryogenesis is the development and formation of the human embryo. It is characterised by the processes of cell division and cellular differentiation of the embryo that occurs during the early stages of development.
