Leg Bud
by ![Tim Taylor]()
Written by
Tim Taylor
Anatomy & Physiology Senior Writer
Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.
Last updated: Jan 13th, 2025
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An embryo's leg buds will begin to develop around the fourth week of gestation. They are recognizable as small swellings on lateral body walls.
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