The invention relates, in accordance with one aspect, to a portable device for transporting at least one histological sample or at least one cassette containing a histological sample. The device is attachable to a processing station for processing 5 histological samples. In the attached state, energy for cooling the histological sample is transferred from the processing station to the device or vice versa. In accordance with another aspect of the invention, a processing station for processing a histological sample is provided, which station is embodied for releasable attachment of a portable device. The processing station is further embodied to transfer energy 10 for cooling to, or receive it from, an attached device.