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Photo by Boston Children’s Hospital on July 31, 2026. May be an image of one or more people, biceps, dumbbell and text that says 'BOSTON CHILDREN'S RESEARCH ฝูใกา Our arms, legs, hands, and feet have distinct sides that help us to function'.
Photo by Boston Children’s Hospital on July 31, 2026. May be a graphic of poster and text that says 'BOSTON CHILDREN'S RESEARCH 出 This sidedness, called the dorsal-ventral axis, was a critical step in vertebrate evolution, but where did it come from? Dorsal surface Ventral surface Side Back Palm HHA'.
Photo by Boston Children’s Hospital on July 31, 2026. May be an image of fish and text that says 'BOSTON CHILDREN'S RESEARCH New research finds the genetic foundation came from an ancestral feature found in specialized fishes that can climb up the rocks of waterfalls.'.
Photo by Boston Children’s Hospital on July 31, 2026. May be a doodle of guppy and text that says 'BOSTON CHILDREN'S RESEARCH 전 PECTORAL FINS a These fish evolved a specialized pectoral fin that enabled them to 'walk' vertically. Dorsal surface Ventral surface'.
Photo by Boston Children’s Hospital on July 31, 2026. May be an image of text that says 'BOSTON CHILDREN'S RESEARCH These findings shed new light into how limbs evolved in vertebrates, allowing articulation and movement not previously seen.'.
Boston Children’s Hospital@bostonchildrens
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Did you know we can thank fish for the ability to move and articulate our hands and feet? Recent research sheds light on how zebrafish fins influenced the evolution of limbs in vertebrates like humans. More at the link in bio. 🔗

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