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Images Dated 4th February 1999

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 8 pictures in our Images Dated 4th February 1999 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.

Iron deficient blood cells & haemoglobin molecule
Science Photo Library

View of three safety pins
Science Photo Library

Towering Dunes Create Parabolas of Shady Light Namib Desert, Namibia
Animals Animals

Pale Yellow & Pink Tulip
Animals Animals

Wood Frog Tadpoles (Rana sylvatica)
Animals Animals

Caracal (Lynx caracal) Los Angeles Zoo
Animals Animals

Featured 4 Feb 1999 Print

Iron deficient blood cells & haemoglobin molecule

Iron-deficiency anaemia and haemoglobin. Artwork of irregularly shaped red blood cells (red) in a patient suffering from iron-deficiency anaemia. At centre is a molecule of haemoglobin, the blood pigment that carries oxygen. Haemoglobin consists of chains of amino acids folded into four globin subunits (blue and pink). The haem groups (green) surround the iron atoms (blue) which can bind to oxygen atoms (red spheres). Iron-deficiency anaemia is caused by a deficiency of iron, an essential component of haemoglobin. Many of the cells are irregularly shaped and this reduces their oxygen-carrying capacity. Symptoms include tiredness, dizziness and a pale skin