Casal collar

noun

The presence of an erythematous pigmented skin rash in the distribution of a broad collar, seen in patients with pellagra as a result of niacin deficiency.

Similar
Casal necklaceCasal's collarCasal's necklace
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Meanings

nounCasal collar (plural Casal collars)

plural Casal collars

  1. medicineThe presence of an erythematous pigmented skin rash in the distribution of a broad collar, seen in patients with pellagra as a result of niacin deficiency.

    Synonyms: Casal necklace, Casal's collar, Casal's necklace

Synonyms & antonyms

nounThe presence of an erythematous pigmented skin rash in the distribution of a broad collar, seen in patients with pellagra as a result of niacin deficiency.

Similar
Casal necklaceCasal's collarCasal's necklace
Also see
casal necklacecasal's collarcasal's necklace

Origin

Named after Gaspar Casal, who first described pellagra.

Full word history & related roots →
Cite this entry
APA

Casal collar. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Casal%20collar

MLA

“Casal collar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Casal%20collar. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Casal collar,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Casal%20collar.

Source: Casal collar on Wiktionary, CC BY-SA 4.0.