More than gut reaction
What sponges can tell us about the evolution of the brain Sponge neuroid cell (orange) extends arms that enwrap the feeding apparatus of a sponge
Source: miragenews.com
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What sponges can tell us about the evolution of the brain Sponge neuroid cell (orange) extends arms that enwrap the feeding apparatus of a sponge
Sponges are arguably the simplest animals and they lack a nervous system, but peculiar cells in their digestive chambers may be evolutionary precursors of neurons