释义 |
comedo
com·e·do C0501500 (kŏm′ĭ-dō′)n. pl. com·e·dos or com·e·do·nes (-dō′nēz) The primary lesion of acne vulgaris, consisting of a hair follicle that is occluded with sebum and keratin; a blackhead or whitehead. [Latin comedō, glutton (from a comparison of the wormlike shape of the waxy material that can be squeezed from a blackhead to a worm believed to feed on the body), from comedere, to eat up : com-, intensive pref.; see com- + edere, to eat; see ed- in Indo-European roots.]comedo (ˈkɒmɪˌdəʊ) n, pl comedos or comedones (ˌkɒmɪˈdəʊniːz) (Pathology) pathol the technical name for blackhead[C19: from New Latin, from Latin: glutton, from comedere to eat up, from com- (intensive) + edere to eat]black•head (ˈblækˌhɛd) n. 1. a small, black-tipped fatty mass in a skin follicle, esp. of the face; comedo. 2. any of several birds having a black head. 3. an intestinal and liver disease of turkeys, chickens, and related birds, caused by the protozoan Histomonas meleagridas, often darkening the skin of the head. [1650–60] ThesaurusNoun | 1. | comedo - a black-tipped plug clogging a pore of the skinblackheadblemish, mar, defect - a mark or flaw that spoils the appearance of something (especially on a person's body); "a facial blemish"cutis, skin, tegument - a natural protective body covering and site of the sense of touch; "your skin is the largest organ of your body" | Translationscomedo
comedo[′kä·mə‚dō] (medicine) A collection of sebaceous material and keratin retained in the hair follicle and excretory duct of the sebaceous gland, whose surface is covered with a black dot caused by oxidation of sebum at the follicular orifice. Also known as blackhead. comedo
comedo [kom´ĕ-do] (pl. comedo´nes) (L.) a plug of keratin and sebum within the dilated orifice of a hair follicle frequently containing the bacteria Corynebacterium acnes, Staphylococcus albus, and Pityrosporum ovale; see also acne vulgaris.closed comedo whitehead (def. 1).open comedo blackhead.com·e·do, pl. com·e·dos, com·e·do·nes (kom'ē-dō, kō-mē'dō; kom'ē-dōz; kom-ē-dō'nēz), The correct singular form is comedo, not comedone.A dilated hair follicle infundibulum filled with keratin squamae, bacteria, particularly Propionibacterium acnes, and sebum; the primary lesion of acne vulgaris. [L. a glutton, fr. com-edo, to eat up] comedo (kŏm′ĭ-dō′)n. pl. come·dos or come·dones (-dō′nēz) The primary lesion of acne vulgaris, consisting of a hair follicle that is occluded with sebum and keratin; a blackhead or whitehead.comedo Blackhead, plural comedones Dermatology A plug of keratin and sebum within the dilated orifice of a hair follicle, which may contain bacteria–eg, Propionibacterium acnes, P granulosum, Staphylococcus albus, or yeast, Pityrosporon ovale. See Acne. Cf Comedocarcinoma. com·e·do, pl. comedones (kom'ĕ-dō, dō'nēz) A dilated hair follicle infundibulum filled with keratin squamae, bacteria, particularly Propionibacterium acnes, and sebum; the primary lesion of acne vulgaris. [L. a glutton, fr. com-edo, to eat up]COMEDONESCOMEDONEScomedo (kŏm′ă-dō) plural.comedonesplural.comedos [L. comedere, to eat up] The typical small skin lesion of acne vulgaris and seborrheic dermatitis. The closed form is called a whitehead. It consists of a papule from which the contents are not easily expressed. When inflamed these lesions form pustules and nodules. The open form of comedo, called a blackhead, is rarely inflamed. It has a dilated opening from which the oily debris is easily expressed. Both forms are usually located on the face, but the chest and back may be involved. See: illustrationillustrationComedoA hard plug composed of sebum and dead skin cells. The mildest type of acne.Mentioned in: AcnecomedoenUS
Synonyms for comedonoun a black-tipped plug clogging a pore of the skinSynonymsRelated Words- blemish
- mar
- defect
- cutis
- skin
- tegument
|