To the Editor.
—You might want to file this under "nit picking" or "hair splitting," but for some reason it bothers me to see a Latin word used improperly in a well-written, well-edited publication.I refer to the use of the nonword "diverticuli" in the PHOTO ESSAY section on page 756 of the May 1989 issue of the Archives.1 The correct plural form is "diverticula."Diverticulum is a second-declension neuter noun, and the plural is formed by adding an a to the stem. I believe confusion arises because second declension masculine nouns are formed by adding i to the stem, eg, oculus, oculi; fundus, fundi; canaliculus, canaliculi. But diverticulum, diverticuli??? No!All that aside, it was an interesting case and made a good point about apparent dacryocystitis in the face of a patent drainage system.Editor's note: Dr Ferry is correct!
Ferry JF. Diverticula; Diverticuli. Arch Ophthalmol. 1989;107(11):1566. doi:10.1001/archopht.1989.01070020644007
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