WebDuring the germinal period of prenatal development, some cells become part of the brain, some become part of the leg, and some become part of the stomach, etc. The term for this process is _____. differentiation During the germinal period, the first task of the zygote's outer cells is _____. implantation WebThe germinal period (about 14 days in length) lasts from conception to implantation of the zygote (fertilized egg) in the lining of the uterus. During the first week after conception, …
Stages of Prenatal Development: Problems and Risks …
WebThe germinal period (about 14 days in length) lasts from conception to implantation of the fertilized egg in the lining of the uterus (See Figure 2.5). At ejaculation millions of sperm are released into the vagina, but only a … WebJul 23, 2024 · The prenatal period is a time of tremendous growth and also great vulnerability. A number of dangers can pose a potential risk to the growing fetus. Some of these dangers, such as environmental risks from teratogens and drug use, can be prevented or minimized. In other instances, genetic problems may simply be unavoidable. crystal auto sales windsor
Prenatal Development Lifespan Development - Lumen …
WebOct 27, 2024 · The prenatal period is divided into three major stages. These are the most important prenatal stages of human development for a baby. 1. Germinal Stage. This is when conception takes place. The sperm of the … WebJan 8, 2024 · The origin of this type of aneuploidy occurs either in the primordial germ cells themselves, a proportion of which may be trisomic or monosomic (gonadal mosaicism) or during the extensive premeiotic mitotic divisions of the oogonia that occur during early foetal life. The term germinal mosaicism covers both types . WebIt still must grow and develop for approximately 268 days before it begins life outside of the womb. Today we have more knowledge and technology than ever before that has … crystal auto rental belize belize city belize