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April 1923


Arch Derm Syphilol. 1923;7(4):499-504. doi:10.1001/archderm.1923.02360100072010

The object of this communication is to call attention to the frequent mistakes that occur in the terminology of dermatologic literature in this country. Similar mistakes are rare in European medical literature.

There are a few simple rules that are helpful in remembering the gender of nouns used in dermatology. Those of the second declension ending in us, such as lupus (genitive singular ending in i), are masculine. Those of the third declension ending in us (genitive singular ending in "is" and containing an added syllable) are neuter. Such are corpus (genitive, corporis) and ulcus (genitive, ulceris.) Corpus luteum is such a well-known combination of words that it could hardly be misspelled, though ulcus durum is at times improperly written ulcus durus or even ulcus dura.

Nouns ending in is (such as dermatitis) are almost invariably feminine. Among the rare exceptions may be mentioned a few of dermatologic interest that