Blood cells, illustration

Numéro d’image : 12935471
Blood cells, illustration
White blood cell with red blood cells, computer illustration. White blood cells (leucocytes) are rounded cells with microvilli projections from the cell surface. These microvilli may assist in cell motility. Lymphocytes are involved in the immune response, acting to protect the body against infection. Two main types of lymphocyte occur in the human body: T-cells and B-cells. T- cells (thymus-derived) track down and help to actively destroy foreign bodies. B-cells (bone marrow derived) identify foreign microorganisms and then make antibodies. The disc- shaped red blood cells (erythrocytes), transport oxygen to the body cells and remove carbon dioxide to the lungs.
Licence : Libre de droits
Crédit: Science Photo Library / Kon, Kateryna
Model Release : Non requis
Property Release : Non requis
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