Blood sample being placed in a sample bottle ready for a blood count investigation. An anticoagulant is added to a known volume of blood and a count is made of the number of red cells,white cells and platelets present. This can be done by eye in a special counting chamber or,more accurately,using an electronic cell counter. Blood counts are important in the diagnosis of blood diseases. They are normally expressed as a number of cells,of a specific type,per litre | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Terry, Sheila |
Taille de l’image : | 4804 px × 4841 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |