Microtiter plate (32, 132) for receiving and positioning samples for examination by means of inverse fluorescence microscopy, in particular inverse light sheet fluorescence microscopy, wherein the microtiter plate is integrally formed and comprises a plurality of cuvettes (110, 210, 310, 410, 510), wherein the cuvettes (110, 210, 310, 410, 510) each comprise an opening which is arranged at an upper end of the cuvette (110, 210, 310, 410, 510), characterized in that the cuvettes each comprise the following: - a first and a second transparent bottom wall (20, 22) which are arranged with respect to one another such that their surface normals are inclined with respect to one another at an angle between 70° and 110°, preferably between 80° and 100°, particularly preferably between 85° and 95° and in particular of at least approximately 90°, wherein the angle (α) between the surface normal of the second bottom wall of the cuvettes (110, 210, 310, 410, 510) and the longitudinal axis of the respective cuvette (110, 210, 310, 410, 510) is smaller than the angle (β) between the surface normal of the first bottom wall of the cuvettes (110, 210, 310, 410, 510) and the longitudinal axis of the respective cuvette (110, 210, 310, 410, 510), in particular is smaller than 40° and preferably lies between 35° and 10°, such that the second bottom wall extends flatter than the first bottom wall in an examination in which the microtiter plate (32, 132) is aligned horizontally, and/or wherein the wall thickness of the first bottom wall and the second bottom wall of the cuvettes (110, 210, 310, 410, 510) lies between 12.5 μm and 160 μm, wherein the microtiter plate (32, 132) is preferably integrally formed from a polymer, in particular by thermal forming from a polymer film. characterized in that the cuvettes each comprise the following: - a first and a second transparent bottom wall (20, 22) which are arranged with respect to one another such that their surface normals are inclined with respect to one another at an angle between 70° and 110°, preferably between 80° and 100°, particularly preferably between 85° and 95° and in particular of at least approximately 90°, wherein the angle (α) between the surface normal of the second bottom wall of the cuvettes (110, 210, 310, 410, 510) and the longitudinal axis of the respective cuvette (110, 210, 310, 410, 510) is smaller than the angle (β) between the surface normal of the first bottom wall of the cuvettes (110, 210, 310, 410, 510) and the longitudinal axis of the respective cuvette (110, 210, 310, 410, 510), in particular is smaller than 40° and preferably lies between 35° and 10°, such that the second bottom wall extends flatter than the first bottom wall in an examination in which the microtiter plate (32, 132) is aligned horizontally, and/or wherein the wall thickness of the first bottom wall and the second bottom wall of the cuvettes (110, 210, 310, 410, 510) lies between 12.5 μm and 160 μm, - a first and a second transparent bottom wall (20, 22) which are arranged with respect to one another such that their surface normals are inclined with respect to one another at an angle between 70° and 110°, preferably between 80° and 100°, particularly preferably between 85° and 95° and in particular of at least approximately 90°, wherein the angle (α) between the surface normal of the second bottom wall of the cuvettes (110, 210, 310, 410, 510) and the longitudinal axis of the respective cuvette (110, 210, 310, 410, 510) is smaller than the angle (β) between the surface normal of the first bottom wall of the cuvettes (110, 210, 310, 410, 510) and the longitudinal axis of the respective cuvette (110, 210, 310, 410, 510), in particular is smaller than 40° and preferably lies between 35° and 10°, such that the second bottom wall extends flatter than the first bottom wall in an examination in which the microtiter plate (32, 132) is aligned horizontally, and/or wherein the wall thickness of the first bottom wall and the second bottom wall of the cuvettes (110, 210, 310, 410, 510) lies between 12.5 μm and 160 μm, are arranged with respect to one another such that their surface normals are inclined with respect to one another at an angle between 70° and 110°, preferably between 80° and 100°, particularly preferably between 85° and 95° and in particular of at least approximately 90°, wherein the angle (α) between the surface normal of the second bottom wall of the cuvettes (110, 210, 310, 410, 510) and the longitudinal axis of the respective cuvette (110, 210, 310, 410, 510) is smaller than the angle (β) between the surface normal of the first bottom wall of the cuvettes (110, 210, 310, 410, 510) and the longitudinal axis of the respective cuvette (110, 210, 310, 410, 510), in particular is smaller than 40° and preferably lies between 35° and 10°, such that the second bottom wall extends flatter than the first bottom wall in an examination in which the microtiter plate (32, 132) is aligned horizontally, and/or wherein the wall thickness of the first bottom wall and the second bottom wall of the cuvettes (110, 210, 310, 410, 510) lies between 12.5 μm and 160 μm, wherein the microtiter plate (32, 132) is preferably integrally formed from a polymer, in particular by thermal forming from a polymer film.