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Red deer.

Red laser

Euglena is a type of single-celled flagellate Eukaryote, they are found in fresh and salt waters where they may bloom in large numbers and colour the surface of ponds and ditches green (E. viridis) or red (E. sanguinea).


Euglena are frequently used in the laboratory as a model organisms.



Cellular level art, paint on silk, digitised.

Euglena in red

J.F. Gautier D'Agoty, Myologie complette en coleur...

With the British Red Cross in Turkey : the experiences of two volunteers, 1912-13

La convention de Genève au point de vue historique, critique et dogmatique

The Red Cross in peace and war

Zur Geschichte der internationalen und freiwilligen Krankenpflege im Kriege

Pioneering with the Red Cross : recollections of an old Red crosser

Amaranthus L. Amaranthoideae. Amaranth. Herbaceous perennial. Genus name means 'unfading' in reference to the durability of the colour in the flowers. 'Red Velvet' is a garden cultivar. Various species are used in Brazil 'to increase lactation'. Matthiolus (1569) in his commentary, unsurprisingly in view of its red flowers (the word 'flowers' is a synonym for menses), recommends Amaranthus for stopping heavy periods and leucorrhoea, as well as for coughing up blood and dysentery. Photographed in the Medicinal Garden of the Royal College of Physicians, London.

Amaranthus 'Red Velvet'

Red ribbon, 2001

(Left) red diagonals and purple loops; (right) red and purple diagonals; a red face in profile, with red blotches. Watercolour by M. Bishop, ca. 1977.

Left, red and mauve stars and a red crab; right, ten red hands. Watercolour by M. Bishop, 1976.

Three red ribbons with black and red lettering. Colour lithograph, 199-.

Red crossed diagonals and red grids. Watercolour by M. Bishop, ca. 1977.

Low plants with divided 3 lobbed leaves and deep
pink flowers on longish stems.

Trifolium Pratense (Red Clover)

Red blood cells from a person with sickle cell anaemia. Under conditions of low oxygen the red blood cells can form these distinctive distorted shapes. These deformed red blood cells can block small blood vessels preventing oxygen from reaching the tissues. For an oxygenated, non-sickled comparison see N0024944.

Sickled red blood cells

A skull. Red chalk.

Phagocytosis of red corpuscles

Leptospermum scoparium J.R.Forst & G.Forst Myrtaceae. New Zealand tea tree, manuka, manuka myrtle. 'Red Damask' is a cultivar with the RHS Award of Garden Merit. Distribution: New Zealand and southeast Australia. A red-flowered form. Important in New Zealand as the source for manuka honey. The leaves were reputed to have been used to make a tea by Captain James Cook (1728-1729) on his voyages to Australia and New Zealand. Johan and George Forst, father and son, were the scientists on Cook's second voyage (1772-1775). It produces an essential oil. Photographed in the Medicinal Garden of the Royal College of Physicians, London.

Leptospermum scoparium 'Red Damask'

Photograph of a pregnant red deer (Cervus elaphus) uterus with the fetus removed. The cut umbilical cord can be seen. The blood vessels have been injected with blue and red latex to make them more visible. Cotyledons (large spherical structures; blue) are the location where maternal and fetal circulation comes into contact so that nutrients can be exchanged.

Pregnant uterus, Red deer

Red blood cell diameters

A lichen arises from the composition of algae, cyanobacteria and fungus. They occur in many colors, sizes, and forms and in many locations.


Cellular level art, paint on silk, digitised.

Pink lichen

False-colour, atomic force micrograph (AFM) showing the topography (surface contours) of beta2- microglobulin (b2m) fibrils (yellow) on a mica surface (ultraflat surface upon which the fibrils are imaged; red background). Fibrillar amyloid protein aggregates can be found in deposits or plaques associated with Alzheimer’s disease, Creutzfeldt-Jakob disease (CJD) and diabetes. The fibrils were formed in vitro. Image is 10 x 10 micrometres.

Amyloid fibrils, AFM

The mitochondrial network defines the outline of this cell. DNA is red, with a vibrant nucleus and little outposts of mitochondrial DNA in the network.

Cellular level art, paint on silk, digitised.

Red deer.

Red laser

Euglena in red

J.F. Gautier D'Agoty, Myologie complette en coleur...

With the British Red Cross in Turkey : the experiences of two volunteers, 1912-13

La convention de Genève au point de vue historique, critique et dogmatique

The Red Cross in peace and war

Zur Geschichte der internationalen und freiwilligen Krankenpflege im Kriege

Pioneering with the Red Cross : recollections of an old Red crosser

Amaranthus 'Red Velvet'

Red ribbon, 2001

(Left) red diagonals and purple loops; (right) red and purple diagonals; a red face in profile, with red blotches. Watercolour by M. Bishop, ca. 1977.

Left, red and mauve stars and a red crab; right, ten red hands. Watercolour by M. Bishop, 1976.

Three red ribbons with black and red lettering. Colour lithograph, 199-.

Red crossed diagonals and red grids. Watercolour by M. Bishop, ca. 1977.

Trifolium Pratense (Red Clover)

Sickled red blood cells

A skull. Red chalk.

Phagocytosis of red corpuscles

Leptospermum scoparium 'Red Damask'

Pregnant uterus, Red deer

Red blood cell diameters

Pink lichen

Amyloid fibrils, AFM

Mitochondria at work

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Red deer.

Red laser

Euglena in red

J.F. Gautier D'Agoty, Myologie complette en coleur...

With the British Red Cross in Turkey : the experiences of two volunteers, 1912-13

La convention de Genève au point de vue historique, critique et dogmatique

The Red Cross in peace and war

Zur Geschichte der internationalen und freiwilligen Krankenpflege im Kriege

Pioneering with the Red Cross : recollections of an old Red crosser

Amaranthus 'Red Velvet'

Red ribbon, 2001

(Left) red diagonals and purple loops; (right) red and purple diagonals; a red face in profile, with red blotches. Watercolour by M. Bishop, ca. 1977.

Left, red and mauve stars and a red crab; right, ten red hands. Watercolour by M. Bishop, 1976.

Three red ribbons with black and red lettering. Colour lithograph, 199-.

Red crossed diagonals and red grids. Watercolour by M. Bishop, ca. 1977.

Trifolium Pratense (Red Clover)

Sickled red blood cells

A skull. Red chalk.

Phagocytosis of red corpuscles

Leptospermum scoparium 'Red Damask'

Pregnant uterus, Red deer

Red blood cell diameters

Pink lichen

Amyloid fibrils, AFM

Mitochondria at work

Stay connected with email updates from Wellcome Collection

Wellcome collectionWellcome Collection

Finding us:

Opening times:

Today's opening times

Wellcome collection