A formulation, or tissular adhesive, obtained from a platelet-rich blood composition and/or growth factors, and method for the preparation of this adhesive. The preparation method of the adhesive comprises the steps of raising the temperature of the initial blood composition and subsequently activating the composition. Among other advantages, the tissular adhesive is biocompatible and biodegradable, has desirable biological or medical properties provided by the presence of platelets or growth factors, and also has a high adhesiveness and an accelerated coagulation process.
