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
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 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
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)