Part 1 a) The zygote that is formed after fertilisation divides rapidly during the first 2 weeks of pregnancy, developing into an embryo by day 12. With reference to specific structures formed, outline this period of development. b) Summarise the key developmental changes that occur from the point that the embryo is formed up to the end of the 1st trimester of pregnancy when the embryo is considered a foetus. c) What is the approximate size of the foetus by the end of this trimester?
Part 1 a) The zygote that is formed after fertilisation divides rapidly during the first 2 weeks of pregnancy, developing into an embryo by day 12. With reference to specific structures formed, outline this period of development. b) Summarise the key developmental changes that occur from the point that the embryo is formed up to the end of the 1st trimester of pregnancy when the embryo is considered a foetus. c) What is the approximate size of the foetus by the end of this trimester?
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:Part 1
a) The zygote that is formed after fertilisation divides rapidly during
the first 2 weeks of pregnancy, developing into an embryo by day
12.
With reference to specific structures formed, outline this period of
development.
b) Summarise the key developmental changes that occur from the
point that the embryo is formed up to the end of the 1st trimester of
pregnancy when the embryo is considered a foetus.
c) What is the approximate size of the foetus by the end of this
trimester?
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