Melan- definitions
| Word backwards | -nalem |
|---|---|
| Part of speech | The word "melan-" is a prefix. |
| Syllabic division | The syllable separation of the word melan- is mel-an. |
| Plural | The plural of the word melan- is melanos. |
| Total letters | 5 |
| Vogais (2) | e,a |
| Consonants (3) | m,l,n |
Melanin is a pigment that gives color to the skin, hair, and eyes in humans and animals. It is produced by cells called melanocytes, which are located in the bottom layer of the skin's epidermis.
The Role of Melanin in the Body
Melanin has several functions in the body, including protecting the skin from the harmful effects of the sun's UV radiation. It does this by absorbing and scattering the UV rays, preventing them from damaging the DNA in skin cells. Melanin also helps regulate body temperature and plays a role in the immune system.
Types of Melanin
There are two main types of melanin: eumelanin and pheomelanin. Eumelanin is responsible for brown and black pigments in the skin, hair, and eyes, while pheomelanin produces red and yellow pigments. The amount and type of melanin produced by an individual depend on genetics, sun exposure, and other factors.
Melanocytes are the cells that produce melanin. They are found in the basal layer of the epidermis and are responsible for distributing melanin to the surrounding skin cells. Melanocytes can become damaged or dysfunctional, resulting in skin conditions such as vitiligo or melanoma.
Regulation of Melanin Production
Several factors can influence the production of melanin in the body, including genetics, hormones, and exposure to sunlight. UV radiation stimulates melanocytes to produce more melanin, leading to a tan. However, overexposure to UV radiation can damage the skin and increase the risk of skin cancer.
Overall, melanin plays a crucial role in protecting the skin and body from the harmful effects of UV radiation. Understanding how melanin works can help individuals take better care of their skin and prevent skin damage and diseases.
Melan- Examples
- Melanin is responsible for determining human skin color.
- The melanosome is an organelle found in melanocytes.
- Melanocytes produce melanin in response to UV radiation.
- Melanoma is a type of skin cancer that begins in melanocytes.
- Melanistic animals have an excess of melanin pigmentation.
- Melancholy is a feeling of sadness or depression.
- Melanocytes also play a role in protecting the skin from UV damage.
- Melanogenesis is the process of melanin production.
- People with darker skin have higher levels of melanin.
- Melanophores are cells in fish and amphibians that contain melanin.