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e-Pedia: Human Embryogenesis
Wikipedia contributors
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Sachbuch / Lexika, Nachschlagewerke
Beschreibung
This carefully crafted ebook is formatted for your eReader with a functional and detailed table of contents. Human embryogenesis is the process of cell division and cellular differentiation of the embryo that occurs during the early stages of development. In biological terms, human development entails growth from a one-celled zygote to an adult human being. Fertilisation occurs when the sperm cell successfully enters and fuses with an egg cell (ovum). The genetic material of the sperm and egg then combine to form a single cell called a zygote and the germinal stage of prenatal development commences. Embryogenesis covers the first eight weeks of development; at the beginning of the ninth week the embryo is termed a fetus. Human embryology is the study of this development during the first eight weeks after fertilisation. The normal period of gestation (pregnancy) is nine months or 38 weeks. This book has been derived from Wikipedia: it contains the entire text of the title Wikipedia article + the entire text of all the 435 related (linked) Wikipedia articles to the title article. This book does not contain illustrations. e-Pedia (an imprint of e-artnow) charges for the convenience service of formatting these e-books for your eReader. We donate a part of our net income after taxes to the Wikimedia Foundation from the sales of all books based on Wikipedia content.
Kundenbewertungen
Lymphocyte, Human chorionic gonadotropin, Embryology, Goblet cell, Enzyme, Liver, Myeloid, Placenta, Developmental biology, Astrocyte