PATHOLOGY

PATHOLOGY MCQ

SKIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the 2 types of melanin?
A
Eurimelanin and Photomelanin
B
Phymelanin and Euromelanin
C
Eumelanin and Pheomelanin
D
None of the above
Explanation: 

Detailed explanation-1: -Eumelanin. There are two types of eumelanin: black and brown. Pheomelanin. This type of melanin pigments your lips, nipples and other pinkish parts of your body. Neuromelanin. 29-Mar-2022

Detailed explanation-2: -Types of Melanin Eumelanin makes mostly dark colors in hair, eyes, and skin. Pheomelanin colors the pinkish parts of your body like the lips and nipples. You get red hair when you have the same amount of pheomelanin and eumelanin. Strawberry blonde hair happens when you have brown eumelanin and pheomelanin.

Detailed explanation-3: -There are two types of melanin in mammals, the brownish black eumelanin and the reddish yellow pheomelanin. Eumelanin and pheomelanin are present in human hair and this study was carried out to see whether both pigments are also present in human epidermis.

Detailed explanation-4: -There are two major pigment types present in the skin: eumelanin and pheomelanin. Each is made exclusively in melanocytes and each derives from the amino acid tyrosine, which is oxidized and cyclized through the actions of tyrosinase and other pigment enzymes (Fig. 6).

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