
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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2. In 33-hour chick embryo, brain segments are already evident. Identify these brain segments and give the function of each segment by creating a table. Brain segments (33-hour chick embryo)

Transcribed Image Text:II. Questions for Research. (Provide your reference/s)
1. What is a blastoderm? How is this part associated with area pellucida and area opaca? What
is area vitellina?
2. In 33-hour chick embryo, brain segments are already evident. Identify these brain segments
and give the function of each segment by creating a table.
Brain segments (33-hour chick embryo)
•Function/s
3. Which part of the adult structures are derived from blood islands?
4. In 48-hour chick embryo, cranial flexure appears. Identify the boundaries covering the cranial
and cervical flexures.
5. How does ectodermal derivatives develop in 48-hour chick embryo compared to 33-hour
chick embryo?
6. What are the distinguishable parts of the 72-hour chick embryo? Give at least 5 parts and the
adult derivatives of each part.
7. What happens in the head and tail folds of the 72-hour chick embryo? What is its
significance?
5
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