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  1. Embryonic Stage | Definition & Development - Study.com

    Learn the definition of what is the embryonic stage. Understand what is embryonic development and what happens during the embryonic period.

  2. Embryology | Definition & Stages - Lesson | Study.com

    Learn about the stages of embryonic development. Discover the embryology definition, the embryological development definition, and human embryo stages.

  3. Early Embryonic Development | Stages & Significance - Study.com

    Learn about the early stages of human embryonic development. Identify the stages in order, and study the significance of early embryonic development in mammals.

  4. Prenatal Development | Definition & Stages - Lesson | Study.com

    Learn about the stages of prenatal development. Discover the order of the stages and the events of the germinal stage, embryonic stage, and fetal stage.

  5. Stem Cell Definition, Types & Function - Lesson | Study.com

    The embryonic stem cell is a type of cell that originates from the zygote and is pluripotent. Embryonic stem cells are created through the process of fertilization and can be harvested from the ...

  6. Major Tissue Types: Structures, Functions & Embryonic Origins

    Dec 4, 2023 · This lesson discusses the four major types of tissues: epithelium, connective tissue, muscle, and nervous tissue, and their embryological origins...

  7. Embryonic & Adult Stem Cells | Overview & Features - Study.com

    Understand what stem cells are and explore their features. Learn about embryonic stem cells, adult stem cells, totipotent, pluripotent, and multipotent stem cells.

  8. Blastula Stage, Definition & Formation - Lesson | Study.com

    When considering blastula formation, it is important to note that this stage, the blastocyst development phase, occurs during the first stages of embryogenesis. As such, blastula formation takes ...

  9. Mesoderm | Definition, Germ Layer & Function - Study.com

    During the embryonic period, an organized ball of cells with three germ layers, called the gastrula, develops. The middle germ layer is the mesoderm, which later differentiates into various ...

  10. The Placenta and the Fetus: Structure and Function - Study.com

    The placenta provides nutrients to the fetus. So, you may remember that the placenta is the composite structure of embryonic and maternal tissues that supplies nutrients to the developing embryo.