ulcus

U1L1C3U1S1
/ˈʌlkəs//ˈʌlkʊs/

noun

A rounded, pore-like aperture at either pole of a pollen grain.

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Scrabble 7

Meanings

nounulcus (plural ulcera)

plural ulcera

  1. biologyA rounded, pore-like aperture at either pole of a pollen grain.
  2. medicineSynonym of ulcer.

    V. E., ♀.born 1920 (File Nr. 27, 26 October to 8 January 1954). Gastrectomy in March 1953 because of multiple ulcera of the stomach.

    1957, Experimental Medicine and Surgery, New York: Brooklyn Medical Press, page 163
    3 more examples

    He also likes the vapor-cauterization of Wesseli (100° C.), which does not produce an action at a distance. It also helps for deep scrophulous ulcera.

    1916, Ophthalmology: Essays, Abstracts and Reviews, volume 12, page 150

    By the observations and experiments of numbers of clinicians and investigators it has become certain now that the central brain, particularly the hypothalamus, is of great importance for the origin of erosions and ulcera of the stomach.

    1954, Jules Samuels, Endogenous Endocrinotherapy, Including the Causal Cure of Cancer: Compendium, Amsterdam: N.V. Cycloscoop, page 316

    More than 80% of all ulcera of the stomach in humans can be found along the lesser curvature (Haftner, 1965; Kommerell & Reiferscheid, 1979) and HCI and pepsin are supposed to be related to the aetiology of the ulcera.

    1988, Peter Langer, The Mammalian Herbivore Stomach: Comparative Anatomy, Function, and Evolution, Gustav Fischer Verlag, →ISBN, page 408

    Synonyms: ulcer

Synonyms & antonyms

nounSynonym of ulcer.

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Origin

  1. Latinulcus“sore”
  2. Englishulcus

From Latin ulcus (“sore”). Doublet of ulcer.

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Cite this entry
APA

ulcus. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ulcus

MLA

“ulcus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ulcus. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “ulcus,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ulcus.

Source: ulcus on Wiktionary, CC BY-SA 4.0.