IgM
First it's a embryo until the 10th week, after that it's a fully formed but small fetus.
The heart is the first organ to develop in a fetus. Together, blood and the circulatory system, that is powered by the heart, form the first organ system.
After the first eight weeks, the embryo is referred to as a fetus. At this stage, the major organs have formed and the fetus continues to grow and develop until birth.
Independent '''Group''' (IG),
Yes, it is true that in a developing fetus, the long bones are initially formed from hyaline cartilage. This cartilage serves as a scaffold that is gradually converted into bone through a process known as endochondral ossification.
Fetus
A Foetus is formed by the growth and development of an embryo.
fetus
All organs of the Fetus are formed during first three months of Pregnancy. So drugs taken during this period have high chances of 'Structural' damage to the Fetus. Afterward 'Functional' damage can occur.So your Doctor will be very careful about drugs given in First Trimester ofPregnancy.
The embryonic period extends to the end of the eight week. After the embryonic period (8weeks), the developing human is called a fetus.
The stage in the embryo called a fetus typically begins around the 9th week of development. At this point, the major organs have formed and the developing organism is referred to as a fetus until birth.
For the first 8 weeks the developing human is called an embryo after that it is called a fetus.