Sentences with phrase «contain pigment cells»

Uveal collectively refers to parts of the eye, notably the iris, that contain pigment cells.

Not exact matches

Retinal cells contain three yellow pigments — lutein, zeaxanthin and meso - zeaxanthin — which absorb near - ultraviolet light, protecting the eye from its damaging effects and reducing glare.

Bella et al. show that coating the cells with a water - proof fluorinated polymer that contains pigments to absorb ultraviolet light and re-emit it in the visible range can boost cell efficiency and limit photodegradation.

The cortical cells are fibrous and contain pigment granules of varying darkness that give hair strands their natural color.

Scientists already knew that stem cells contained in a bulge area of hair follicles are involved in making hair and that SCF is important for pigmented cells, said Dr. Le, a member of the Hamon Center for Regenerative Science and Medicine.

They first pooled together information about colors in related modern snake species in the same family, Colubridae (which contains 70 % of all known snakes): specifically, which combinations of pigment cells produce which colors.

The key to these makeovers are special pigment - containing cells called chromatophores, which, when activated by light, can spread their pigments out or bunch them up to change the skin's overall color or pattern.

An international team of scientists studying the dinosaur, called Caihong juji, made the discovery by carefully analyzing tiny melanosomes, the part of the cells that contain pigment, in the fossil, which turned up dramatic evidence of the dinosaur's flamboyant plumage.

A population of these cells forms a layer deep to the photoreceptors, where they contain intracellular pigment granules and appear superficially like an extra RPE layer, even though they do not express at least two characteristic RPE proteins.

The signals can be localized in the brain and translated into digital images that portray neural activity level as a ratio of oxygenated to de-oxygenated hemoglobin, the iron - containing pigment in red blood cells.

(B) High power image showing pigment granule - containing donor cells in the RPE - L region that are positive for human nuclear marker (arrows).

If the hair follicle contains melanocyte cells then melanin pigment is incorporated into the cortex cells.

Cytochromes are electron - transporting protein pigments concerned with cell respiration that contain an iron - containing molecule called heme, allied to that of hemoglobin.

and contain cleansing and detoxifying elements including betaine, which helps the liver cells eliminate toxins; pectin, a fiber that clears the toxins that have been removed from the liver so they don't reincorporate back into the body; and betalains, pigments with high anti-inflammatory properties to encourage the detoxification process.

The skins of cranberries contain anthocyanin pigments that protect our cells and collagen.

Chlorella, belonging to the division Chlorophyta, is a single - cell green algae containing the green photosynthetic pigments chlorophyll - a and - b in its chloroplast.

The idea behind marine cells is that they contain the proper ratios of amino acids, enzymes, fatty acids, minerals and pigments to allow your body to rapidly generate new stem cells.

These are specialised cells that contain pigments that absorb light, and there are two types of receptors: cones and rods.

In animals with vitiligo, antibodies are formed against pigment - containing cells that are responsible for nose color.

Its eye includes two different kinds of ommatidium; each contains nine light sensitive cells, of which seven contain a pigment whose absorption spectrum peaks in the green part of the spectrum, but in one type the remaining two receptors have peak absorption in the blue and in the other type they have peak reception in the ultra violet.

Chameleons change their colors using chromatophores, a specialized type of cell that contains tiny sacs of pigments; when a chameleon shifts color, they do so by expanding or contracting these sacs to change the color of the cells.