this post was submitted on 23 Jun 2025
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Science Memes

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[–] feinstruktur@lemmy.ml 3 points 1 day ago (2 children)

Sspine doesn't make sense here at all. I assume OP meant esophagus/ gullet.

[–] Dave@lemmy.nz 14 points 1 day ago (1 children)

It says spines, rather than spine. The esophagus is covered in spines (think like the spines on a porcupine, not a backbone).

[–] Crankenstein@lemmy.world 8 points 1 day ago (1 children)

Those "spines" are called papillae, for anyone wanting specifics.

[–] feinstruktur@lemmy.ml 1 points 13 hours ago (1 children)

Thanks to all for the English lesson! I've learned something.

[–] Crankenstein@lemmy.world 1 points 12 hours ago

More a biology lesson. It's the scientific word for the appendage. Human's — I believe all mammals as well — have them lining our lower intestines. They help us absorb nutrients by increasing surface area.

The word itself, papillae, just means "a small, rounded part which protrudes from an organ/ nipple" from Latin.

[–] Hexarei@programming.dev 8 points 1 day ago

Seems like they meant spines to me? As in those little spikey spines pointing backwards down the esophagus?