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Acne Glossary

Terms used to explain Acne can sometimes be confusing. To help you fully understand the articles and features related to this very important health topic, we have compiled a glossary of terms that can help.

Accutane

Ac*cu*tane
Pronunciation: \ˈa-kyu-ˌtān\


Function: trademark
used for a preparation of isotretinoin

Acne

ac*ne
Pronunciation: \ˈak-nē\



Function: noun
: a disorder of the skin caused by inflammation of the skin glands and hair follicles; specif: a form found chiefly in adolescents and marked by pimples esp. on the face

Antibiotic

an*ti*bi*ot*ic
Pronunciation: \-bī-ˈät-ik; -bē-\
Function: adjective
1: tending to prevent, inhibit, or destroy life
2: of or relating to antibiotics or to antibiosis

Blackhead

black*head
Pronunciation: \ˈblak-ˌhed\


Function: noun

1: a small plug of sebum blocking the duct of a sebaceous gland esp. on the face compare milium
2: a destructive disease of turkeys and related birds caused by a protozoan of the genus Histomonas (H. meleagridis) that invades the intestinal ceca and liver —called also enterohepatitis, histomoniasis, infectious enterohepatitis

Collagen

col*la*gen
Pronunciation: \ˈkäl-ə-jən\



Function: noun
: an insoluble fibrous protein of vertebrates that is the chief constituent of the fibrils of connective tissue (as in skin and tendons) and of the organic substance of bones and yields gelatin and glue on prolonged heating with water

Dermabrasion

derm*abra*sion
Pronunciation: \ˌdər-mə-ˈbrā-zhən\



Function: noun
: surgical removal of skin blemishes or imperfections (as scars or tattoos) by abrasion (as with sandpaper or wire brushes)

Excision

ex*ci*sion
Pronunciation: \ik-ˈsizh-ən\


Function: noun
: surgical removal or resection (as of a diseased part)

Melanin

mel*a*nin
Pronunciation: \ˈmel-ə-nən\


Function: noun
: any of various black, dark brown, reddish brown, or yellow pigments of animal or plant structures (as skin, hair, the choroid, or a raw potato when exposed to air); esp: any of numerous animal pigments that are essentially polymeric derivatives of indole formed by enzymatic modification of tyrosine

Nodule

nod*ule
Pronunciation: \ˈnäj-(ˌ)ü(ə)l\


Function: noun
: a small mass of rounded or irregular shape: as
a: a small abnormal knobby bodily protuberance (as a tumorous growth or a calcification near an arthritic joint)
b: the nodulus of the cerebellum

Ortho Tri-Cyclen

Or*tho Tri–Cy*clen
Pronunciation: \ˌor-thō-ˌtrī-ˈsī-klən\

Function: trademark
used for a preparation of norgestimate and ethinyl estradiol

Papule

pap*ule
Pronunciation: \ˈpap-(ˌ)yül\


Function: noun
: a small solid usu. conical elevation of the skin caused by inflammation, accumulated secretion, or hypertrophy of tissue elements

Pimple

pim*ple
Pronunciation: \ˈpim-pəl\


Function: noun

1: a small inflamed elevation of the skin : see: papule; esp: see: pustule
2: a swelling or protuberance like a pimple

Pit

1pit
Pronunciation: \ˈpit\


Function: noun
: a hollow or indentation esp. in a surface of an organism: as
a: a natural hollow in the surface of the body
b: one of the indented scars left in the skin by a pustular disease : see: pockmark
c: a usu. developmental imperfection in the enamel of a tooth that takes the form of a small pointed depression

Pore

pore
Pronunciation: \ˈpō(ə)r, ˈpo(ə)r\


Function: noun
: a minute opening esp. in an animal or plant; esp: one by which matter passes through a membrane

Retin-A

Ret*in–A
Pronunciation: \ˌret-ən-ˈā\

Function: trademark
used for a preparation of tretinoin

Retinoid

ret*i*noid
Pronunciation: \ˈret-ən-ˌoid\


Function: noun
: any of various synthetic or naturally occurring analogs of vitamin A

Sebaceous Gland

sebaceous gland
Function: noun
: any of the small sacculated glands lodged in the substance of the derma, usu. opening into the hair follicles, and secreting an oily or greasy material composed in great part of fat which softens and lubricates the hair and skin

Steroid

ste*roid
Pronunciation: \ˈsti(ə)r-ˌoid also ˈste(ə)r-\



Function: noun
: any of numerous natural or synthetic compounds containing a 17-carbon 4-ring system and including the sterols and various hormones and glycosides see anabolic steroid

Whitehead

white*head
Pronunciation: \-ˌhed\


Function: noun
: see: milium

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© 2011 Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Inc.

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