Playlist: Arms and LegsThe Developmental Period |
#210, Movie 1 of 347 weeks, 4 days |
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Script:The developmental period
before birth
is increasingly understood
as a time of preparation
during which
the developing human
acquires the many structures,
and practices
the many skills, needed
for survival after birth.
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Buy NowFrom The Biology of Prenatal Development.
All ages referenced to fertilization, not last menstrual period.
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