Before Delta studied embryology in her anatomy course, she imagined a developing human as a shapeless mass of indistinct tissues until about halfway through pregnancy. Was Delta correct? At what stage does the embryo or fetus really start to look like a developing human?
Before Delta studied embryology in her anatomy course, she imagined a developing human as a shapeless mass of indistinct tissues until about halfway through pregnancy. Was Delta correct? At what stage does the embryo or fetus really start to look like a developing human?
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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Question
Before Delta studied embryology in her anatomy course, she imagined a developing human as a shapeless mass of indistinct tissues until about halfway through pregnancy. Was Delta correct? At what stage does the embryo or fetus really start to look like a developing human?
Expert Solution
Step 1
The embryo is distinguished from fetus depending on the gestational age.
The term embryo is representing the human development during the early stage. It corresponds to nearly 5-10 week of pregnancy.
At the end of the 10th week of pregnancy, the embryo is now known as fetus.
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