What term describes a developing offspring after the first eight weeks of human pregnancy?

What term describes a developing offspring after the first eight weeks of human pregnancy?

The first 2 weeks of prenatal development are referred to as the pre-embryonic stage. A developing human is referred to as an embryo during weeks 3–8, and a fetus from the ninth week of gestation until birth.

What is the scientific name for offspring in the uterus after week 8 of development?

At the end of the 8th week after fertilization (10 weeks of pregnancy), the embryo is considered a fetus. During this stage, the structures that have already formed grow and develop. The following are markers during pregnancy: By 12 weeks of pregnancy: The fetus fills the entire uterus.

What happens to a baby the first 8 weeks after fertilization?

Eight weeks into your pregnancy, or six weeks after conception, your baby’s lower limb buds take on the shape of paddles. Fingers have begun to form. Small swellings outlining the future shell-shaped parts of your baby’s ears develop and the eyes become obvious. The upper lip and nose have formed.

What is the last organ to develop in a fetus?

Almost all organs are completely formed by about 10 weeks after fertilization (which equals 12 weeks of pregnancy). The exceptions are the brain and spinal cord, which continue to form and develop throughout pregnancy. Most malformations (birth defects) occur during the period when organs are forming.

What is a developing human called the first 8 weeks?

The definition of Fetus is: a developing human from 8 weeks to birth. Then you enter the neonate, infant, toddler, play age…etc.etc. stages. Those are the Stages Of Human Development. So… when Pro-choice advocates say, “it’s not a baby!”

What is the period from fertilization through week eight called?

2) The period from fertilization through week eight is called the embryonic period. 3) Fertilization occurs while the egg is still in the ovarian follicle. 4) Freshly deposited sperm are not capable of penetrating an oocyte. 5) By 72 hours after fertilization, the egg has divided into more than 160 cells and is called the morula.

When does the embryonic period start and end?

1) Conceptus is a term used to describe the developing human offspring. 2) The period from fertilization through week eight is called the embryonic period. Nice work! You just studied 70 terms! Now up your study game with Learn mode. 1) Conceptus is a term used to describe the developing human offspring.

What is the first phase of Human Development?

Those who study human development consider human life to start at conception, the moment of fertalization or the moment the sperm and egg cell meet. There are three gestational periods in prenatal development. The first is known as the Germinal period. Upon conception the new cell is called a zygote. This phase lasts for two weeks.