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A concentrated area of melanin refers to a specific region in the skin, hair, or eyes where the pigment melanin is produced in higher quantities. This can result in darker patches or spots, such as freckles, moles, or age spots. Melanin plays a critical role in determining the color of these tissues and provides some protection against UV radiation. Abnormal concentrations can also be associated with certain skin conditions or diseases.
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What are freckels?
clusters of concentrated melanin which are visible on people with a fair complexion.
What is the medical term meaning freckle?
Freckles are clusters of concentrated melanin which are most often visible on people with a fair complexion. A freckle is also called an "ephelis". Freckles do not have an increased number of melanin producing cells (melanocytes). This is in contrast to Lentigines and MolesIt is a macule: flat pigmented,circumscribed area less than 1 cm in diameterFreckles are clusters of concentrated melanin which are most often visible on people with a fair complexion. This is in contrast to Lentigines and Moles.Frecles are not Lentigenes
What is the medical term meaning Excess of melanin present in an area of inflammation of the skin?
Melanodermatitis or postinflammatory hyperpigmentation are terms meaning an excess of melanin in an area of skin inflammation.
What happened during the diffusion?
the particles tend to move from an area where they are more concentrated to an area where they are less concentrated.
What is it called when Water passes through the cell membrane from a high concentrated area to a less concentrated area?
Osmosis
What is the movement of particles from a highly concentrated area to a less concentrated area called?
Actıve absorbtıon
How does diffuision work?
Diffusion is the movement of particles/molecules from a high concentrated area to a low concentrated area until they are evenly spread.
In Iraq the Shi'ite population is concentrated in what area?
southern
Is there melanin in melanocytes?
Melanocytes produce melanin.
What is the most important pigment in skin?
melanin v
Does water tend to diffuse from a region where it less concentrated to a region where it is highly concentrated?
No. Water tends to diffuse from a region where it (water) is more concentrated to a region where it (water) is less concentrated. The other way of thinking about this is that water diffuses from an area of high solute concentration to an area of low solute concentration.
Does tanning cause freckles?
Yes, tanning can cause freckles. Freckles are small, concentrated areas of melanin that develop in response to sun exposure, including UV radiation from tanning. When skin is exposed to sunlight, it produces more melanin as a protective response, which can lead to the formation of freckles, especially in individuals with lighter skin tones.
