Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:**Development of the Human Embryo: Formation to Germ Layers**
*Describe the development of the human embryo from the formation of the zygote to the point where the three embryonic germ layers develop.*
This topic explores the initial stages of human embryonic development, focusing on the transformation of a zygote—a single fertilized cell—through the process of cell division and differentiation until it forms the three primary germ layers: the ectoderm, mesoderm, and endoderm. Understanding this process provides insights into the complex mechanisms that drive human development from a cellular level.
Expert Solution

Step 1: Introduction:
A human embryo is a distinct organism formed by either the first mitotic division after fertilization of a human egg by a human sperm or any other mechanism that commences structured development of a biological entity with a human nuclear genome.
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