An organism in the earlier stages of development before it emerges from the egg, or before metamorphosis
In humans, usually the cell growth up to the end of the seventh week in the mother's body
means that which swells inside something (Greek, en-bru'o, which gives the Greek embruon); hence the child in the womb; the rudiment in a plant before it shows itself in a bud; an idea not developed, etc
The germ of the plant, which is inclosed in the seed and which is developed by germination
An animal in the early stage of development before birth In humans, the embryo stage is the first three months following conception
an individual in the second of the three stages of prenatal development (from about 2 weeks after conception until about the end of the 8th week); the individual undergoes tremendous differentiation and rapid growth and is easily influenced by the maternal environment
The young bird, beginning with the earliest stage of development within the egg until it hatches
the developing human individual from the time of implantation to the end of the eighth week after conception Characterized by the development of tissues and primary organs and organ systems
An embryo is an unborn animal or human being in the very early stages of development. the remarkable resilience of very young embryos
Early stages of a developing organism, broadly used to refer to stages immediately following fertilization of an egg through implantation and very early pregnancy (i e , from conception to the eighth week of pregnancy)