[DOC] [TLE] Iris (anatomy) - Wikipedia [PAR] Iris color is a highly complex phenomenon ... A person's "eye color" is actually the 
color of ... Melanin is yellowish-brown to dark brown in the stromal pigment cells, 
and black in the iris pigment ... which by its position has an overt influence on the 
overall color. [DOC] [TLE] Eye color - Wikipedia [PAR] Eye color or eye colour is a polygenic phenotypic character determined by two 
distinct factors: the pigmentation of the eye's iris and the frequency-dependence 
of the scattering of light by the turbid medium in the stroma of the iris. :9. In 
humans, the pigmentation of the iris varies from light brown to black, .... There are 
three pigment colors that determine, depending on their proportion... [DOC] [TLE] Eye Colors: What Gives Eyes Their Color? - VSP.com [PAR] Your eye color depends on how much of the pigment melanin you have in your 
iristhe colored part ... Blue, grey, and green eyes are lighter because they have 
less melanin in the iris. ... Most people in the world will end up with brown eyes. [DOC] [TLE] Humans | Causes of Color - Webexhibits [PAR] Melanins, the pigments that color our eyes, hair and skin ... Variation in the color 
of our eyes from brown to green depends on the amount of melanin in the iris, 
which in ... There are three genes that affect eye color, so it's hard to pinpoint the 
exact ... Eumelanin is a dark pigment that predominates in black and brunette 
hair. [DOC] [TLE] Color In The Eye - Sites - Google [PAR] The color of the Iris comes from a brownish-black substance called melanin[a ... 
Hazel Eyes have little melanin or dark pigment gives a lighter brown/green effect 
... Blue Eyes are actually not blue they get their color from the principal known as
... [DOC] [TLE] human biology - What causes the colors we see in eyes? - Biology ... [PAR] Jun 26, 2013 ... Dissection reveals that the iris pigment epithelium is brownish black due ... for 
enough pigment to build up and allow the eye colour to match it's... [DOC] [TLE] This is how blue eyes get their colour - ScienceAlert [PAR] Dec 20, 2014 ... Blue eyes don't get their colour from pigment - it's actually way more ... As he 
explains, the coloured part of your eye is called the iris, and it's made up of two 
layers ... cells thick and contains black-brown pigments - the dark specks that ... 
the eye regardless of collagen deposits, giving them their dark colour. [DOC] [TLE] What gives irises their color in human eyes? - Quora [PAR] The iris of the eye is usually strongly pigmented, with the color typically ranging 
between brown ... Occasionally, the color of the iris is due to a lack of 
pigmentation, as in the ... Iris color is due to variable amounts of eumelanin (
brown/black melanins) and pheomelanin (red/yellow melanins) produced by 
melanocytes. [DOC] [TLE] A histological description of pigment distribution in the eyes of ... [PAR] in appearance ; and like the albino eye, its pink color is caused ... which causes 
black coat color) in addition to P, Sm, and C, the eye has a ... dark ring of pigment
, often irregular, in the pnpillary margin of the iris. A limited amount of pigment in 
the ciliary body and adjacent regions gives the background of the eye a dark. [DOC] [TLE] Pigments in the Human Body - Functions and Health Effects ... [PAR] Dec 26, 2015 ... For example, melanin is a yellow to black pigment in our skin that ... brown or 
brown-black, and pheomelanin, whose color ranges from yellow to red. ... In 
addition, melanin contributes to the color of the iris in the eye. .... Stercobilin 
leaves the body in the feces and is responsible for giving feces its color. [DOC] [TLE] Rarest Eye Color in Humans | Owlcation [PAR] Aug 29, 2016 ... Black (no eyes are true black, just very dark brown) .... Everyone has some kind 
of pigment in their

Question: This brownish-black pigment gives the iris in the eye its color
Answer: Melanin