A device for cultivating tissue sections, in particular for testing active ingredients and/or medications, includes a frame, at least one carrier component designed to hold a tissue section, and at least one liquid-absorbing strip element. The frame is designed to hold the at least one carrier component and the at least one strip element. A cultivation system includes the device for cultivating tissue sections and a holding vessel. The device can be used for testing active ingredients or medications on a tissue (section).