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Photosensitivity

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Photosensitivity is the amount to which an object reacts upon receiving photons, especially visible light. [1]

26 relations: Amiodarone, Bergapten, Bovinae, Buckwheat, Chlorophyll, Heliotropism, Horse, Hypericin, Hypericum perforatum, Intrinsically photosensitive retinal ganglion cells, Light, Photodermatitis, Photokeratitis, Photon, Photophobia, Photoreceptor cell, Phototoxicity, Porphyria, Sheep, Skin, Solar urticaria, Sulfonamide (medicine), Sunburn, Systemic lupus erythematosus, Tetracycline antibiotics, Xeroderma pigmentosum.

Amiodarone

Amiodarone is an antiarrhythmic medication used to treat and prevent a number of types of irregular heartbeats.

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Bergapten

Bergapten (5-methoxypsoralen) is a psoralen (also known as furocoumarins) found in bergamot essential oil, in other citrus essential oils, and in grapefruit juice along with various other plants like figs and parsley.

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Bovinae

The biological subfamily Bovinae includes a diverse group of 10 genera of medium to large-sized ungulates, including domestic cattle, bison, African buffalo, the water buffalo, the yak, and the four-horned and spiral-horned antelopes.

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Buckwheat

Buckwheat (Fagopyrum esculentum), also known as common buckwheat, Japanese buckwheat and silverhull buckwheat, is a plant cultivated for its grain-like seeds and as a cover crop.

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Chlorophyll

Chlorophyll (also chlorophyl) is any of several related green pigments found in cyanobacteria and the chloroplasts of algae and plants.

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Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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Heliotropism

Heliotropism, a form of tropism, is the diurnal motion or seasonal motion of plant parts (flowers or leaves) in response to the direction of the sun.

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Horse

The horse (Equus ferus caballus) is one of two extant subspecies of ''Equus ferus''.

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Hypericin

Hypericin is a naphthodianthrone, an anthraquinone derivative which, together with hyperforin, is one of the principal active constituents of Hypericum (Saint John's wort).

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Hypericum perforatum

Hypericum perforatum, known as perforate St John's-wort, common Saint John's wort and St John's wort, is a flowering plant in the family Hypericaceae.

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Intrinsically photosensitive retinal ganglion cells

Intrinsically photosensitive retinal ganglion cells (ipRGCs), also called photosensitive retinal ganglion cells (pRGC), or melanopsin-containing retinal ganglion cells (mRGCs), are a type of neuron in the retina of the mammalian eye.

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Light

Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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Photodermatitis

Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure.

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Photokeratitis

Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense sunlight) or artificial (e.g. the electric arc during welding) sources.

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Photon

The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).

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Photophobia

Photophobia is a symptom of abnormal intolerance to visual perception of light.

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Photoreceptor cell

A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction.

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Phototoxicity

Phototoxicity, also called photoirritation, is a chemically induced skin irritation, requiring light, that does not involve the immune system.

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Porphyria

Porphyria is a group of diseases in which substances called porphyrins build up, negatively affecting the skin or nervous system.

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Sheep

Domestic sheep (Ovis aries) are quadrupedal, ruminant mammal typically kept as livestock.

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Skin

Skin is the soft outer tissue covering vertebrates.

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Solar urticaria

Solar urticaria (SU) is a rare condition in which exposure to ultraviolet or UV radiation, or sometimes even visible light, induces a case of urticaria or hives that can appear in both covered and uncovered areas of the skin.

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Sulfonamide (medicine)

Sulfonamide (also called sulphonamide, sulfa drugs or sulpha drugs) is the basis of several groups of drugs.

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Sunburn

Sunburn is a form of radiation burn that affects living tissue, such as skin, that results from an overexposure to ultraviolet (UV) radiation, commonly from the sun.

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Systemic lupus erythematosus

Systemic lupus erythematosus (SLE), also known simply as lupus, is an autoimmune disease in which the body's immune system mistakenly attacks healthy tissue in many parts of the body.

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Tetracycline antibiotics

Tetracyclines are broad-spectrum antibiotics whose general usefulness has been reduced with the onset of antibiotic resistance.

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Xeroderma pigmentosum

Xeroderma pigmentosum (XP) is a genetic disorder in which there is a decreased ability to repair DNA damage such as that caused by ultraviolet (UV) light.

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2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Redirects here:

Light sensitivity, Photo-sensitive, Photo-sensitivity, Photosensitive, Photosensitivity disorders, Photosensitivity due to drugs, Photosensitivity induced by drugs, Photosensitize, Photosensitizing, Sensitivity to light, Sun sensitivity.

References

[1] https://en.wikipedia.org/wiki/Photosensitivity

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