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What stage during pregnancy is the most sensitive to damage by viruses?
embryonic stage
What are the developmental stages of an embryo and fetus?
The developmental stages of an embryo include the pre-embryonic stage (fertilization to week 2), embryonic stage (weeks 3-8), and fetal stage (week 9 to birth). During the embryonic stage, major organs and structures begin to form, while during the fetal stage, these structures continue to grow and develop in preparation for birth.
Embryonic stage in which the embryo consists of a hollow ball of cells?
The embryonic stage you are referring to is called the blastocyst stage. During this stage, the embryo is a hollow sphere of cells with an inner cell mass that will eventually develop into the fetus.
What is the meaning of embryonic stage?
it means an early stage
What is the composition of a blastula?
the blastula is an early stage of embryonic development in animals. its a hollow sphere of cells surrounding an inner fluid-filled cavity called the blastocoele formed during an early stage of embryonic development in animals
The embryonic stage in which cell migration and differentiation occurs is known as a?
The embryonic stage in which cell migration and differentiation occurs is known as gastrulation. During this process, cells undergo extensive reorganization to form the three germ layers - ectoderm, mesoderm, and endoderm, which give rise to various tissues and organs in the developing embryo.
What are the three stages of the human life cycle when stem cells can be found?
The three stages of the human life cycle when stem cells can be found are embryonic stage (during early embryonic development), fetal stage (during fetal development), and adult stage (in various tissues and organs throughout adulthood).
Is embryonic stage and the first trimester the same?
The embryonic stage is a part of the first trimester. The first trimester is the first three months of pregnancy and the embryonic period ends around week 8 and it then becomes a fetus.
At what stage of development does a fetus develop a nervous system?
A fetus develops a nervous system during the embryonic stage of development, which occurs around the 3rd to 8th week of pregnancy.
At what stage of development does the nervous system begin to form?
The nervous system begins to form during the third week of embryonic development.
What stage is Between zygote and fetus?
Before the fetal stage is the embryonic stage. The embryo develops into the fetus.
What stage occurs between the 4 cell stage and 16 cell stage in embryonic development?
The stage that occurs between the 4-cell stage and the 16-cell stage in embryonic development is the morula stage. The morula is a solid ball of cells formed by multiple divisions of the fertilized egg.
