(redirected from comedones)
Also found in: Thesaurus, Medical, Encyclopedia.


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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.comedo - a black-tipped plug clogging a pore of the skincomedo - a black-tipped plug clogging a pore of the skin
blemish, 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"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n (pl comedones) comedón m, espinilla (fam)
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
"Comedones [clogged pores] also respond very well to retinol treatment," says Dr.
Our patient's lesions were monomorphous, and there were no comedones, pustules, or inflammatory papules characteristic of acne.
But what finally worked for me was learning that there are different types of acne-mine in particular are closed comedones, which look like small bumps under the skin.
Symptoms: | Open (blackheads) or closed (whiteheads) comedones | Red, tender bumps | Pimples | Large, painful lumps beneath the surface of the skin (in severe cases) Treatment : | Topical antiseptics | Topical or systemic antibiotics | Topical or systemic retinoids CONSULTANT DERMATOLOGIST Dr Avad Mughal is a consultant dermatologist at HMT Sancta Maria Hospital in Swansea.
Other common dermatoscopic findings are gray-blue dots, comedones, and milium-like cysts (3-5).
Acne vulgaris is a common dermatological disorder of the pilosebaceous unit presenting usually at puberty.1 It is characterized by the formation of open and closed comedones (non-inflammatory lesions), papules, pustules, and nodulocystic lesions (inflammatory lesions) generally affecting the face, arms, and back.
In the randomized, split-face, controlled study of 18 adult Asian patients with moderate to severe acne, low-dose isotretinoin alone effectively controlled papule and pustule acne lesions, whereas NAFL had the additional effect of reducing the number of comedones and improving boxcar atrophic scars, reported Weihui Zeng, MD, and associates from the department of dermatology at the Second Affiliated Hospital of Xi'an Jiaotong University, Shanxi, China.
Acne is characterized by formation of nodules (large papules), comedones (blackheads and whiteheads), seborrhea (scaly red skin), scarring and pimples.
Use a product with retinol at bedtime if you have comedones (i.e., blackheads or whiteheads), superficial pigmentation, or fine lines.
In fact, no individual can cross adolescence without a few comedones and papules.