Blood sample tubes. These are S-Monovette sample tubes that combine a tube and a syringe. A needle can attached to the coloured lids to draw a blood sample. The lids are colour-coded according to different haematological tests or the content of the tube. Pink tubes,for example,contain EDTA (ethylenediamine tetra-acetic acid),an anti- coagulant that stops blood from clotting before tests can be carried out on it,while orange tubes are for trace metal analysis | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gustoimages |
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