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melanin

melanin

melanin Sentence Examples

  • It's a simple and scientific formula; when the melanin in your skin (your skin's natural protectant) can no longer accommodate the amount of ultraviolet rays that it is being exposed to, it will burn, plain and simple.

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  • Black skin contains more melanin, which is a brown pigment.

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  • The energy from the light source is absorbed by the target chromophore (melanin) in the hair.

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  • There is a central medulla, which contains the colored melanin, and a hard external cuticle.

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  • This way your body will not need to produce more melanin.

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  • Skin Color The color of skin depends primarily on a pigment called melanin.

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  • There is no known way to help children make more melanin.

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  • We do have melanin in our eyes but I don't think it's on the surface layer!

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  • And this is the reason why some people tan faster than others - we form melanin at differing rates.

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  • For example, with hair removal, the light energy is absorbed by the melanin (color) in the hair.

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  • Sometimes described as Olive, it is pale brown thanks to its naturally high levels of protective melanin.

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  • Fair hair has less melanin and consequently less heat is produced with less certainty of permanent destruction of the hair follicles.

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  • melanin pigment, which protects the skin from damage by ultraviolet rays.

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  • melanin synthesis to target melanoma cells specifically.

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  • melanin production.

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  • melanin pigmentation with special references to the influence of tobacco habits.

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  • melanin granules in the blood is an unmistakable sign.

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  • melanin content of the tumor was high in the periphery and relatively low in the center.

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  • High levels of the skin pigment melanin reduce the risk of common skin cancer for people with darker skin.

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  • melanin in the skin to absorb all the UV rays reaching the skin.

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  • melanin in the hair shaft, whilst passing harmlessly through the surrounding tissue.

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  • The melanin is present in special cells called melanocytes in the iris of the eye.

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  • pigment melanin from the Pied patches.

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  • People with naturally brown and black skin have more melanin pigment in their skin cells.

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  • Epidemiologic study of excessive oral melanin pigmentation with special references to the influence of tobacco habits.

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  • Biologically, melanin production is controlled by the action of the enzyme tyrosinase.

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  • UVB lights stimulates the melanocytes (special cells which account for around 5% of the epidermis) to produce a pigment called melanin.

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  • They occupy and destroy the red corpuscles, converting the haemoglobin into melanin; they multiply in the blood by sporulation, and produce accessions of fever by the liberation of a toxin at the time of sporulation (Ross).

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  • The pathological changes in malaria are due to the deposition of melanin and the detritus of red corpuscles and haemoglobin, and to the congregation of parasites in certain sites (Ross).

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  • This melanin pigment is found in certain tumour growths, pigmented moles of the skin, and especially in melanatic sarcomata (fig.

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  • The malignant cells develop and accumulate muscle fibres show the pigment in their protoplasm granules of melanin granules, which are of a light yellow pigment.

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  • In light skinned people, the melanin is concentrated deep in the epidermis, particularly in the stratum basale layer.

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  • Biologically, melanin production is controlled by the action of the enzyme tyrosinase.

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  • UVB lights stimulates the melanocytes (special cells which account for around 5% of the epidermis) to produce a pigment called melanin.

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  • CR-39 (a plastic polymer -- allyl diglycol carbonate): light or dark gray, classic gray, light or dark brown, red, orange, yellow, green, blue, violet, copper, melanin.

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  • Plastic 1.56: light or dark gray, classic gray, light or dark brown, red, orange, yellow, green, blue, violet, copper, melanin.

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  • Melanin: Melanin lenses are relatively new on the market.

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  • Melanin lenses are believed to help protect against macular degeneration.

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  • Melanin is a pigment that occurs naturally in the body and protects the body from harmful exposure to sunlight.

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  • Melanin lenses are made with a synthetic form of this pigment that never loses its potency.

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  • Freckles are concentrated clusters of melanin, the pigment that colors human skin.

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  • The ascorbic acid in lemon juice is also thought to stop the production of melanin - the pigment that produces freckles in response to the sun.

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  • According to Disabled World, "hair is white and the cells in our hair follicles called Melanocytes generate pigments, the main one being Melanin."

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  • Melanin is what gives the initial white hair its color.

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  • If your hair is loaded with melanin, you'll probably have darker hair.

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  • Actually, there is the debate of whether gray hair is really gray at all or from the loss of its melanin, simply transparent making it appear to be gray.

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  • In addition to correcting imperfections, it softens the look of fine lines and prevents excessive melanin production (important for individuals who express concern about dark spots).

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  • Melanoma tumors originate in the cells that produce melanin, the chemical that causes pigmentation in the skin, eyes, and hair.

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  • Areas that have high concentrations of melanin are freckles and moles.

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  • When you use a tanning bed or lying in the sun, your skin begins to produce melanin to protect itself from burning.

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  • DebSpecs takes a different route, featuring a tinted plastic melanin lens that not all computer glasses have.

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  • The melanin cuts down on the blue and violet light from computers and fluorescent lights that actually make it to your eyes.

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  • Malignant melanoma-The most serious of the three types of skin cancer, malignant melanoma arises from the melanocytes, the skin cells that produce the pigment melanin.

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  • Melanin also protects the body by absorbing ultraviolet light.

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  • It is characterized by a lack of melanin, the pigment that normally gives color to the skin, hair, and eyes.

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  • Sun exposure normally produces a tan, which is an increase in melanin pigment in the skin.

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  • Many people with albinism do not have melanin pigment in their skin, do not tan with exposure to the sun, and as a result develop sunburn.

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  • Melanin is also important in the eyes and brain, but it is not known what role melanin plays in those areas.

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  • Parts of the retina do not develop correctly if melanin pigment is not present during development.

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  • Also nerve connections between the retina and brain are altered if melanin is not present in the retina during development.

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  • The child therefore inherits one defective gene responsible for making melanin from each parents.

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  • Because the task of making melanin is complex, there are many different types of albinism, involving a number of different genes.

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  • If the hair turns dark, it means the hair is making melanin (a positive test); light hair means there is no melanin.

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  • In some types of albinism, a genetic defect in tyrosinase means that the amino acid tyrosine cannot be converted by tyrosinase into melanin.

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  • There is no treatment that can replace the lack of melanin that causes the symptoms of albinism.

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  • DOPA-The common name for a natural chemical (3,4-dihydroxyphenylalanine) made by the body during the process of making melanin.

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  • Melanin also protects the body by absorbing ultraviolet light.

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  • Tyrosinase-An enzyme in a pigment cell which helps change tyrosine to dopa during the process of making melanin.

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  • It is used by the body to make melanin and several hormones, including epinephrine and thyroxin.

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  • UVB light is the next shortest wavelength and is called the tanning light since it is light in this range that promotes creation of the skin pigment melanin that creates a tan.

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  • The light pigmentation is due to a lack of melanin, which normally colors the hair, skin, and eyes.

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  • Melanin is made from the amino acid tyrosine, which is lacking in untreated cases of PKU.

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  • Skin contains a protective pigment called melanin.

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  • The darker the skin tone, the more melanin is present.

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  • Fair-skinned people are most susceptible to sunburn, because their skin produces only small amounts of the melanin.

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  • Brown eyes are caused by the body's production of melanin.

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  • Melanin causes the iris of the eye to turn brown.

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  • The more melanin there is in an eye, the darker brown the eye color.

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  • People who produce less melanin have lighter-colored eyes.

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  • This mutation was like a switch that had reduced the production of melanin.

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  • The Danish blue-eyed genealogy study has led to the theory that blue eyes started with one person who had a mutation on their chromosome that shut off the production of melanin in their iris.

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  • These lasers are attracted to the melanin pigment cells in hair, heating these cells and vaporizing the hair.

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  • However, the follicle still contains melanin and remains well after the laser treatment has occurred.

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  • The client noticed that where her hairs were darker the laser felt hotter and more painful, which was expected since the laser targets the dark melanin pigment in hair.

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  • If you have light colored hair, laser hair removal may not work as well for you as for a woman with darker hair, since the hair removal laser targets the melanin in your hair.

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  • The swimsuit's function depends on the skin's melanin production.

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  • Melanin is the darkening pigment that is responsible for a person's ability to tan when exposed to the sun.

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  • Just like regular sunbathing or visits to a tanning salon, the rate your skin is able to produce melanin will determine the results of your tan-through swimsuit experience.

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  • Copper: This mineral helps the body produce melanin skin pigment and elastin, the skin component that prevents wrinkles.

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  • The skin of dark-skinned individuals contains high amounts of melanin.

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  • Melanin can interfere with your body's ability to make vitamin D.

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  • Your skin has a large amount of melanin in it, which blocks absorption of vitamin D.

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  • Typically, the darker the skin, the more melanin it has and the less able it is to absorb sunlight.

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  • Hair color comes from melanin, and the bulbs that produce this pigment degrade as you age, which causes gray hair.

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  • Many contain increased amounts of tyrosine, which speeds up the production of melanin in the body.

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  • As UVA and the harsher UVB rays penetrate the skin, the action activates melanin production within the cells, a darker pigment that colors the skin.

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  • Everyone also has about the same number of melanocytes, special cells that make a pigment called melanin.

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  • People with dark skin have more melanin than people with light skin.

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  • The high amount of melanin in black skin absorbs UV rays and helps reduce the risk, but black people are definitely not immune to skin cancer.

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  • The black color is often mistaken for dirt; in fact, it is the combination of melanin and oxygen in the air that is responsible for the color.

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  • Melanin Control: As an anti photo-aging product, melanin control is crucial.

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  • Although acne-prone skin can pose a problem for anyone, African Americans have special concerns due to the melanin in their skin.

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  • This ingredient is said to reduce melanin in the skin, according to AOL Health.

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  • It occurs when there is an increased amount of melanin in certain areas of the skin.

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  • Some people with darker complexions mistakenly believe that the additional melanin in their skin protects them from skin cancer, but this is not true.

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  • What makes one person's skin fair and another person's dark is the amount of melanin the body produces.

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  • People of African descent tend to have more melanin in their skin than people descended from European countries.

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  • Although the additional melanin present in deep complexions provides some protection from the sun, it doesn't make dark-skinned people immune to skin cancer.

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  • Although differences in skin tone are easily apparent when you look around, there's very little difference besides the melanin content between people with fair skin and people with dark skin.

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  • In this layer of the skin, you will find melanin, the source of your individual skin pigmentation.

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  • When the skin has been damaged from sun exposure, little brown spots appear from the pigmentation of melanin.

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  • Since the melanin in the freckle is quickly zapped by the laser's rays, there is no need to penetrate through any layers of the skin which could cause irritation, discomfort or scarring.

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  • Melanin is a dark pigment in the skin that goes to work when the skin is exposed to too much sun.

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  • Harmless melanin works to heal sun damage, but unfortunately the dark coloration of the pigment causes spotting.

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  • Melanin is triggered by aging skin, too.

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  • They are made up of the skin pigment melanin, appear in places that have been exposed to the sun, and are especially common among fair-skinned people who sunburn easily.

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  • Freckles are made up of melanin pigment which absorbs nearly every color of laser light, so almost any type of laser can be used to eliminate freckles.

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  • Fluctuations in hormone levels and the misdistribution of melanin are responsible for uneven skin tones.

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  • Older skin may respond to an overdose of sun by sending melanin, a skin pigment to the damaged area.

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  • Skin darkening melanin goes into overdrive trying to repair damage.

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  • The hairbulb pigmentation test is used to identify carriers by incubating a piece of the person's hair in a solution of tyrosine, a substance in food which the body uses to make melanin.

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