### substance | pigment:

Melanin
* More melanin means more coloration.
* Most melanin protects skin
  - tissue
* Some melanin absorbs radiation
  - rays
  - melanins even emit a flash of light as they switch, implyng possible electroluminesence
* absorbs UV radiation and helps to protect the body against ultraviolet radiation
  - protects skin from cancer
  - energy, all types of energy
  - more light so less is absorbed by the body
  - some of the laser light
  - ultraviolet radiation, like a sunblock
  - various types of radiation as well as being capable of binding boron
* acts as a protective biological shield against ultraviolet radiation.
* also acts as a sunscreen and protects the skin from ultraviolet light
  - enables the individual to hold a vision in their mind's eye and manifest it
  - has a powerful natural way to protect against sunlight damage to our bodies
  - helps protect the skin from the sun's damaging rays
  - plays a role in color change by darkening the skin
  - protects the skin from harmful ultraviolet rays from the sun
  - provides essential protection from ultraviolet rays
* appears to be a secondary defense against oxidative damage caused by blue light.
* are a family of dark-pigmented substances found in a wide range of organisms
  - produced by epidermal cells called melanocytes
  - sensitive to light, pressure, oxygen and peroxides
* black pigment, and fungi that produce melaning are visible black or brown.
* brown colored protein that helps determine the color of our skin.
* can also be toxic
  - bind bacterial toxins and many other substances including drugs
  - inactivate many enzymes
* chemical in our bodies that colors our skin, eyes, and hair
  - or pigment which determines the color of the skin
  - that gives people skin color, and everybody's eyes have some
* constitute an insoluble and infusible material difficult to purify.
* controls all mental and physical body activities.
* dark pigment found in the skin, hair and eyes of humans and other animals.
* dark-colored substance that absorbs UV before it can cause damage to the skin.
* darkens the skin and protects it from strong sunlight
  - via a photochemical reaction
* derivative of the essential amino acid phenylalanine.
* determines skin and hair color
  - the color of one's skin and hair
* does help in the protection from sunlight induced erythema and premature skin aging.
* exhibits two separate current-voltage characteristics, the on and off state.
* form of colourant that lies in the bottom layers of the skin.
* free radical scavenger.
* gives color to the iris
  - skin, hair, and iris of the eyes
* has several physiological roles in maintaining health, such as the synthesis of vitamin D.
* have very diverse roles and functions in various organisms.
* helps protect the skin by absorbing ultraviolet rays from the sun
  - to block out damaging rays up to a point
* helps to protect against the damaging rays of the sun and to determine skin coloring
  - the skin from the harmful rays of the sun
* is actually an energy sponge to absorb the damage from further UV damage
  - also a mechanism for absorbing heat from the sun
* is an effective sunscreen in the ultraviolet region
  - organic pigment that produces most of the colour seen in mammals
  - another type of pigment
  - biological polyacetylene, in much the same way latex of Brazil is polyisoprene
* is brown and lipochrome yellowish-brown
  - deranged only when it becomes toxic
  - derivative of the amino acid tyrosine
  - envisaged as an energy transducer with the properties of an amorphous semiconductor
  - especially useful as a chelating agent to lower or eliminate aluminum agents
* is formed from the oxidation of tyrosine by tyrosinase
  - here to protect against ultraviolet radiation
  - important in mammalian pigmentation
  - in cells of skin called melanocytes
  - like a superconductor, or like a battery in a car
* is made from the amino acid tyrosine, which is also needed to build proteins
  - in small granules, called melanosomes, within the melanocyte
  - up of specialized pigment cells called melanocytes
  - manufactured to protect skin from the ultraviolet rays in sunlight
  - organic compounds
  - our natural pigment that determines skin color and provides some sun protection
  - passed from melanocytes to skin cells by cytocrine secretion
  - photoprotective
  - present in tissues as granules
* is produced by cells called melanocytes in a process called melanogenesis
  - melanocytes that are found within the layers of the hair follicle
  - the oxidation of the amino acid tyrosine , followed by polymerization
* is produced in the eye
  - pineal gland
  - red or blackish brown
* is responsible for pigmentation in the eyes, hair and skin
  - the colour of our skin
  - supposed to regulate all physiological and psychological processes in humans
* is the dark pigment found in the hair, skin, and the eye
  - human body's natural defense against the sun's damaging rays
  - main pigment found in mammals
  - most important pigment of coat color in all mammals
* is the pigment found the skin and the amount varies with race
  - in the skin and protects the skin from sunlight
  - responsible for coloration
* is the pigment that causes dark skin
  - colors the skin
  - determines the colour of skin, hair, and eyes
  - gives color to human hair, eyes, and skin
  - same substance that give skin and hair their color
  - skin pigment that gives the skin a tan color
  - skin's natural protection against the UV rays contained in sunlight
  - strongest chemical in the human body
  - sun umbrella of our skin, melanin is the skin's natural defense against UV rays
  - very important in producing skin color and in absorbing free radicals
* is what causes pigmentation of skin
  - darkens the skin, producing a suntan
  - the Original man has through genetics
* macromolecule synthesised by melanocytes.
* natural sunscreen.
* occurs naturally within the body based on skin type.
* pigment created by our bodies
  - formed in organelles called melanosomes
* pigment produced by cells in the lower layers of the epidermis
  - in the skin cells that causes skin coloration
  - responsible for skin color and eye color
  - that provides a measure of natural protection from UV radiation
* plays a big part in the colour of almost all animals, even humans
  - role in hair color
* produced in the melanocytes is delivered to the basal skin cells.
* protects deeper skin layers from the sun s harmful effects
  - skin from UV damage
* protects the DNA in the nucleus from UV radiation damage
  - skin by shielding it from the sun
* protects the skin from a. desiccation
  - ultra-violet radiation in sunlight
  - tissues from the effects of excessive UV radiation
  - underlie tissue
  - underlying tissues from UV light
* protein that is dark.
* provides many benefits to human beings
  - protection to the lens of the eye against uv light
* quinonoid of some what uncertain structure.
* ranges in color from yellow to red to brown to black.
* remains dark brown while iron based hemosiderin turns blue.
* stable free radical.
* sticky molecule.
* substance in the skin cells that controls hair and skin color
  - produced by the skin that makes it darken
* trait postulated to have evolved for UV-screening in microorganisms.
* type of skin pigment that gives our body color.
* yellow pigment.