What occurs during germinal period?

What occurs during germinal period?

The germinal stage begins at conception when the sperm and egg cell unite in one of the two fallopian tubes. The fertilized egg is called a zygote. Just a few hours after conception, the single-celled zygote begins making a journey down the fallopian tube to the uterus.

What is one defining feature of the germinal period?

The egg is expelled along with the uterine lining during the next menstrual cycle. What is one defining feature of the germinal period? Rapid cell division — The first defining feature of the germinal stage is that the cells divide exponentially–from 2 to more than 256!

What are three major developments in the germinal period?

What are three major developments in the germinal period? conception, characterized by rapid cell division and the beginning of cell differentiation. parts a shell that will become the placenta and a nucleus that will become an embryo. the nurturing lining of the uterus.

What is the germinal period quizlet?

Germinal Period. period of prenatal development that takes place in the first two weeks after conception. Fertilization. process where sperm and egg join. Zygote.

Which of the following takes place during the germinal period of prenatal development?

The germinal period is the period of prenatal development that takes place in the first 2 weeks after conception. During this cell division, the fertilized ovum (zygote) travels down the fallopian tube toward the uterus. This period is characterized by rapid cell division and duplication (mitosis).

What happens in the germinal stage quizlet?

During the germinal stage, the first— and shortest—stage of the prenatal period, the zygote begins to divide and grow in complex- ity. The fertilized egg (now called a blastocyst) travels toward the uterus, where it becomes implanted in the uterus’s wall, which is rich in nutrients.

Which of the following happens during the germinal period quizlet?

Terms in this set (58) Which of the following happens during the germinal period? The blastocyst becomes a fetus.

What term is used to describe the fertilized egg during the germinal stage of prenatal development quizlet?

The fertilized egg (single-celled zygote) moves to the uterus.

What major event occurs to end the germinal period?

The germinal stage ends when the blastocyst implants in the endometrium of the uterus (days 8-9). After implantation occurs, the blastocyst is called an embryo, and it will soon obtain nutrients from the mother’s blood via a temporary organ called the placenta.

What is the germinal period of pregnancy quizlet?

The period that begins at conception and lasts until the developing organism becomes attached to the wall of the uterus about 8 to 10 days later. You just studied 6 terms!

Which activities take place during the germinal period of prenatal development?

Processes in the Germinal Stage. The germinal stage involves several different processes that change an egg and sperm first into a zygote, and then into an embryo. The processes include fertilization, cleavage, blastulation, and implantation.

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