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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.
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.
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.
: 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 primitive organs and organ systems. especially : the developing human individual from the time of implantation to the end of the eighth week after conception. b.
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 14, 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.
Jul 8, 2024 · What Is an Embryo? An embryo is the early stage of a baby’s development during pregnancy. The first stage is the fertilized egg (zygote). It divides to become a blastocyst and travels down the fallopian tube to the uterus, where it may implant to establish the pregnancy.
Mar 19, 2024 · Fetal development is an orderly and intricate process. It begins before you even know you’re pregnant and ends with the birth of your baby. Between conception and delivery, there are many detailed steps that have to occur. There are three stages of fetal development: germinal, embryonic and fetal.
The embryo is an early developmental stage of animals. In humans the embryo begins to develop about four days after an egg is fertilized. Appearing initially as a tiny mass of cells, it eventually gives rise to the fetus, an obvious human form.
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.
