Library / English Dictionary

ULCER

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue

Synonyms:

ulcer; ulceration

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("ulcer" is a kind of...):

lesion (any localized abnormal structural change in a bodily part)

Hyponyms (each of the following is a kind of "ulcer"):

aphthous ulcer (a blister on the mucous membranes of the lips or mouth or gastrointestinal tract)

bedsore; decubitus ulcer; pressure sore (a chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients))

chancroid (infectious venereal ulcer)

peptic ulcer; peptic ulceration (an ulcer of the mucous membrane lining of the alimentary tract)

canker; canker sore (an ulceration (especially of the lips or lining of the mouth))

noli-me-tangere (a cancerous ulcer of soft tissue and bone)

noma (acute ulceration of the mucous membranes of the mouth or genitals; often seen in undernourished children)

Derivation:

ulcerate (affect with an ulcer)

ulcerate (undergo ulceration)

ulcerous (having an ulcer or canker)

 II. (verb) 

Sense 1

Present simple (first person singular and plural, second person singular and plural, third person plural) of the verb ulcer

Credits

 Context examples: 

Breslow thickness is measured from the granular layer of the epidermis, or the ulcer base (if ulcerated), to the deepest tumor cells.

(Breslow thickness, NCI Thesaurus)

Signs and symptoms include pain, edema, blisters, and ulcers.

(Dracunculiasis, NCI Thesaurus)

Representative examples include gastritis and ulcer.

(Non-Neoplastic Stomach Disorder, NCI Thesaurus)

It is a condition that predisposes to the development of ulcer and mucosa-associated lymphoid tissue lymphoma.

(Persistent Superficial Gastritis, NCI Thesaurus)

Bismuth is also used with certain other drugs to treat stomach ulcers.

(Bismuth, NCI Dictionary)

Crohn's can cause complications, such as intestinal blockages, ulcers in the intestine, and problems getting enough nutrients.

(Crohn's Disease, NIH: National Institute of Diabetes and Digestive and Kidney Diseases)

Recurrent gastric and duodenal ulcers caused by Helicobacter pylori infections are treated with antibiotic therapy.

(Anti-ulcer Agent, NCI Thesaurus)

A chronic autoimmune disorder characterized by the development of blisters and ulcers in mucous membranes.

(Benign Mucous Membrane Pemphigoid, NCI Thesaurus)

It is characterized by the development of ulcers in the mouth and genital region and uveitis.

(Behcet syndrome, NCI Thesaurus)

It is used topically to treat open infections such as infected eczema and infected dermal ulcers.

(Bacitracin, NLM, Medical Subject Headings)