What Is The Longest Period Of Prenatal Development
What Is The Longest Period Of Prenatal Development. The third and longest period of prenatal development, extending from the ninth week until birth define teratogens harmful agents or substances that can cause malformations, extending from the 3rd week through 8th week Development of all the structures of the body continues and by the end of the third month, all structures are present although immature.
By the 12th week, the genitals have formed. By the 12th week, the genitals have formed. By the 12th week, the genitals have formed.
* Period Of The Fetus *.
It is known as the ___ and ___ phase. By the 12th week, the genitals have formed. Development happens quickly during the prenatal period, which is the time between conception and birth.
Jamuuj I Believe That The Longest Period Of Prenatal Development Is The Fetalperiod.
The longest period of prenatal development is the fetal period which begins at the 9th week after conception and lasts until birth. Development of all the structures of the body continues and by the end of the third month, all structures are present although immature. It is the longest prenatal period.
By The 12Th Week, The Genitals Have Formed.
By the 12th week, the genitals have formed. By the 12th week, the genitals have formed. Development of all the structures of the body continues and by the end of the third month, all structures are present although immature.
There Are Three Stages Of Prenatal Development:
This union marks the beginning of the prenatal period, which in humans encompasses three distinct stages: The longest period of prenatal development is the fetal period which begins at the 9th week after conception and lasts until birth. Each stage of prenatal development is carried out over the course of approximately 40 weeks, which is the average length of most pregnancies.
Development Of All The Structures Of The Body Continues And By The End Of The Third Month, All Structures Are Present Although Immature.
Development of all the structures of the body continues and by the end of the third month, all structures are present although immature. The heart begins to beat during the period of prenatal development?. Germinal stage embryonic stage fetal stage many changes take place during each of these periods in development,.