In the context of histology, Recuva is not a concept or term that is typically associated with the field. Histology, the study of the microscopic structure of tissues, primarily focuses on techniques such as tissue fixation, staining, and microscopy. Recuva is actually a software tool used for data recovery on computers. It helps in retrieving lost files from hard drives, USB drives, and other storage devices. Therefore, there is no direct application or relevance of Recuva in histology itself.