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Origin and history of stoma

stoma(n.)

"orifice, small opening in an animal body," 1680s, in zoology, Modern Latin, from Greek stoma (plural stomata, genitive stomatos) "mouth; mouthpiece; talk, voice; mouth of a river; any outlet or inlet."

This is reconstructed to be from PIE root *stom-en-, denoting various body parts and orifices (source also of Avestan staman- "mouth" (of a dog), Hittite shtamar "mouth," Middle Breton staffn "mouth, jawbone," Cornish stefenic "palate").

In botany, in reference to small slits in leaves, etc., by 1837. The surgical sense is attested by 1937. Related: Stomal.

Entries linking to stoma

in anatomy, "union or intercommunication of the vessels of one system with those of another," 1610s, medical Latin, from Greek anastomosis "outlet, opening," from anastomoein "to open, discharge" (as one sea into another), "to furnish with a mouth," from ana "again, anew" (see ana-) + stoma "mouth" (see stoma). Related: Anastomotic.

1888, from combining form of colon (n.2) + Modern Latin -stoma "opening, orifice," from Greek stoma "opening, mouth" (see stoma). Colotomy "operation of making an incision in the colon" is attested from 1860, from Greek tome "a cutting."

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