Study reveals location of starfish's head

A new study that combines genetic and molecular techniques helps solve
the riddle of starfish body plans, and how starfish start life with
bilateral body symmetry - just like humans - but grow up to be adults
with fivefold "pentaradial" symmetry.
...
...
The "head" of a starfish, the researchers found, is not in any one
place. Instead, the headlike regions are distributed with some in the
center of the sea star as well as in the center of each limb of its
body.

https://news.stanford.edu/2023/11/01/study-reveals-location-starfishs-head/

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