actinic


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ac·tin·ic

(ak-tin'ik),
Relating to the chemically active rays of the electromagnetic spectrum.
[G. aktis (aktin-), a ray]

ac·tin·ic

(ak-tin'ik)
Relating to the chemically active rays of the electromagnetic spectrum, particularly to sunlight.
[G. aktis (aktin-), a ray]

actinic

Pertaining to radiation from the sun or to the biological effects of sunlight. Public awareness of the dangers of actinic radiation, and especially of its role in the production of BASAL CELL CARCINOMA (rodent ulcer), SQUAMOUS CELL CARCINOMA, MALIGNANT MELANOMA and PTERYGIUM has been growing in recent years and has somewhat diminished enthusiasm for sunbathing.

actinic 

Pertaining to the chemical activity of radiant energy (especially ultraviolet) on absorption by certain substances. In the eye, the cornea, in particular, but also the lens and retina are most susceptible. See eclipse blindness; solar retinopathy.
References in periodicals archive ?
Mikeljevic, "Multiple Treatment-Resistant Actinic Keratoses Secondary to Hydroxycarbamide," in Skinmed, vol.
Actinic keratosis (AK) is defined as the neoplastic transformation and proliferation of keratinocytes within the epidermis without breaching the basement membrane [1].
Long term actinic damage in sun exposed vitiligo and normally pigmented skin.
Lynn Cornelius (left) conducts a skin exam with patient Robert Manchester, a participant in the clinical trial evaluating the calcipotriol-5-FU combination as a treatment for actinic keratoses.
On the basis clinical examination, dermatoscopy and histopathological examination, a diagnosis of disseminated superficial actinic porokeratosis was made.
As in previous studies, the number of actinic keratoses also declined in the nicotinamide group.
Caption: Actinic keratosis (above) was not more common in atopic dermatitis.
Secondary endpoints included number of squamous cell carcinomas (SCCs), basal cell carcinomas (BCCs), and actinic keratoses (AKs) to 12 months.
Cutaneous horn has been noticed on top of many clinical conditions like keratoacanthoma, actinic keratosis, wart, molluscum contagiosum, seborrheic keratosis, basal cell carcinoma, squamous cell carcinoma.
RALEIGH, N.C.--Wearing 1 glasses was associated with a 1 significantly lower rate of developing actinic keratoses on periocular skin, according to the results of a large multicenter clinical trial.
Objective: To compare efficiency of cryotherapy followed by Acnalen gel 0.1% with cryotherapy plus placebo in the treatment of AKs (Actinic Keratosis).