Abstract: Disclosed is a device for preparing a layer of biological cells on a deposition surface of a slide, the device including a body provided with a channel, the body including a first end forming an inlet tip intended to enter inside a container containing a biological liquid, closed by a cap and a second end forming a depositing tip intended to deposit a drop of the liquid on the deposition surface, the second end including a spreader with a blade arranged in a plane forming an angle of inclination ? with the plane of the deposition surface and elastic return interposed between the blade and the second end.

Abstract: A histological and cytological fixing composition, includes at least alcohol, ethylene glycol, dimethyl sulfoxide, water, and sodium chloride. Also, process for preparing this fixer, as well as to its use in particular in processes for staining cells or cellular structures are described.

Abstract: A histological and cytological fixing composition, includes at least alcohol, ethylene glycol, dimethyl sulfoxide, water, and sodium chloride. Also, process for preparing this fixer, as well as to its use in particular in processes for staining cells or cellular structures are described.