LESION

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does lesion mean? 

• LESION (noun)
  The noun LESION has 2 senses:

1. any localized abnormal structural change in a bodily part

2. an injury to living tissue (especially an injury involving a cut or break in the skin)

  Familiarity information: LESION used as a noun is rare.

 Dictionary entry details 

• LESION (noun)

Sense 1

Meaning:

Any localized abnormal structural change in a bodily part

Classified under:

Nouns denoting stable states of affairs

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

pathology (any deviation from a healthy or normal condition)

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

tubercle (a swelling that is the characteristic lesion of tuberculosis)

ulcer; ulceration (a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue)

Sense 2

Meaning:

An injury to living tissue (especially an injury involving a cut or break in the skin)

Classified under:

Nouns denoting stable states of affairs

Synonyms:

lesion; wound

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

harm; hurt; injury; trauma (any physical damage to the body caused by violence or accident or fracture etc.)

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

raw wound (a wound that exposes subcutaneous tissue)

stigmata (marks resembling the wounds on the crucified body of Christ)

abrasion; excoriation; scrape; scratch (an abraded area where the skin is torn or worn off)

cut; gash; slash; slice (a wound made by cutting)

laceration (a torn ragged wound)

bite (a wound resulting from biting by an animal or a person)

 Context examples 

A precancerous lesion of the skin composed of atypical keratinocytes.

(Actinic (Solar) Keratosis, NCI Thesaurus)

It is characterized by systemic disease with a leukemic phase, generalized lymphadenopathy, and skin lesions.

(Acute Adult T-Cell Leukemia/Lymphoma, NCI Thesaurus)

“Are you not the author of a monograph upon obscure nervous lesions?” I asked.

(The Memoirs of Sherlock Holmes, by Sir Arthur Conan Doyle)

These lesions tend to be multiple in existing mouse models.

(Adenoma of the Mouse Pulmonary System, NCI Thesaurus/MMHCC)

They produce symptoms of a mass-related lesion.

(ACTH-Producing Pituitary Gland Adenoma, NCI Thesaurus)

It presents as a papular or nodular lesion.

(Acantholytic Acanthoma, NCI Thesaurus)

This suggested a connection between the spread of a specific type of bacteria through the bloodstream and the formation of these blood vascular lesions in the brain.

(Researchers connect brain blood vessel lesions to intestinal bacteria, NIH)

These abnormal cells are found in a small number of Pap smears (a procedure used to detect cervical cancer) and may be a sign of more serious lesions or cancer.

(AGUS, NCI Dictionary)

It may or may not be associated with cutaneous lesions.

(Airway Hemangioma, NCI Thesaurus)

By definition, this diagnosis is for lesions that are nonreactive, persistent, and genetically determined.

(Mouse Myeloid Proliferation, NCI Thesaurus/MMHCC)