The invention related to a device (100) for culturing a biological material, said device comprising a first element (2) and a second element (4) wherein said first element (2) is having an extension in a lengthwise direction (X), an extension in a transverse direction (Y) and an extension in a direction (Z) perpendicular to the lengthwise direction as well as to the transverse direction wherein said second element (4) is having an extension in a lengthwise direction (X), an extension in a transverse direction (Y) and an extension in a direction (Z) perpendicular to the lengthwise direction as well as to the transverse direction wherein said first element (2) comprises one or more rods (6, 6, 6", 6", 8, 8, 8", 8") wherein said second element (4) comprises a cylindrical compartment (26) comprising a first open end (30) confined by a rim (32) wherein the outer dimensions of said first element (2) and the inner dimensions of said compartment (26) in said second element (4) are adapted to each other in such a way that the first element can be slit in and out of the compartment in the second element, in a lengthwise direction (X), thereby changing the accessibility to one or more of the plurality of culture wells 24 between an exposed configuration in which the culture wells are accessible and not covered by the second element (4), and a closed configuration in which the culture wells are covered by the second element (4).Linvention concerne un dispositif (100) de culture dune matière biologique, ledit dispositif comprenant un premier élément (2) et un deuxième élément (4) ledit premier élément (2) étant doté dune extension dans une direction longitudinale (X), dune extension dans une direction transversale (Y) et dune extension dans une direction (Z) perpendiculaire à la direction longitudinale ainsi quà la direction transversale ledit deuxième élément (4) présentant une extension dans une direction longitudinale (X), une extension dans une direction transversale (Y) et
