Melanin is the name of the biological pigment that determines the general color of skin and hair in humans. Forms of melanin are responsible for coloration throughout the animal world; for example, wing coloration in birds is produced by melanin. In addition, the cells that produce melanin, ca...
Can the mother or father donate blood to the child? Why or why not? Genes inherited on the X chromosomes code for traits. How is genetic variation produced in meiosis? There are blue eyes, green eyes, brown eyes, and more. What gives eyes their color? Th...
Our skin color is determined by a pigment called melanin, and while everyone has melanin (both fair and dark-skinned people), it comes in different forms and ratios. The two forms of melanin are calledeumelanin and pheomelanin. Eumelanin comes in primarily brown and black hues, while pheomela...
What is melanin and why is it important? Pigments: A pigment may be defined as a molecule or material that is able to change the color of reflected or transmitted light due to its selective absorption of light wavelengths. In biology, pigment is found in the fur, skin, hair, and eye co...
Vitiligo is a disorder of depigmentation affecting up to two percent of the global population. It is a long-held belief that patients with vitiligo have an increased risk for skin cancers due to the loss of melanin, a pigment which protects the skin against carcinogenesis. Phototherapy, a main...
The cutis also contains melanin. Melanin protects the body against sun damage by converting the sun's most damaging rays into heat. When the skin is exposed to more of the sun's rays, the body produces more melanin. This darkening of the skin, or tanning, is an indication that the body...
Melanomais mostly referred to ascancerof the skin, but this might not always be the case. It begins from the melanocytes, the cells that produce the pigment melanin, which gives the skin its color along with hair and eyes too. Melanocytes also form moles, which is the region or place whe...
Talking to your Doctor: What is Melanoma ‹ Back Melanoma is the most serious type of skin cancer and the leading cause of all skin cancer-related deaths. It begins in skin cells called melanocytes. These are the skin cells that make the pigment called melanin, which gives skin its color...
"It means that our pigment cells produce more melanin and that's what gives you your tan." If injected or used as anasal spray, Melanotan-II can cause dramatic skin darkening in just days. The drug can also suppress appetite and lead toweight loss, another effect that some users find de...
Albinism is a genetic condition causing a lack of melanin, resulting in white or pale skin and hair, while melanism is an overabundance of melanin, leading to dark pigmentation in skin, hair, or feathers.