Abstract: The imaging chamber according to the invention comprises a housing with a lower part and an upper part, wherein said lower part is a dish (1) and said upper part is a lid (2) provided with a skirt (9) surrounding the upper rim (10) of the dish (1), the bottom of the dish (1) is provided with a cover slip (12) to be used in confocal microscopy and at least a part of the lid (2) is transparent wherein the lid (2) is provided with a breathing silicon insert (5). The silicon insert (5) comprises a circular ring part fixed to the inner surface of the lid (2) and a skirt (14) parallel with the upper rim (10) of the dish (1) and supported by the skirt (9) of the lid (2) and provided with an annular groove (15) tight fitted on the upper rim (10) of the dish (1); and the lid (2) is provided with openings (4) to allow breathing of the housing.