Profile section equipped with sealing systems for making a pressurised hydraulic circuit utilizable for the cultivation of photosynthetic organisms under controlled conditions

A solution is described that enables a pressurised hydraulic circuit to be made inside the channels of an alveolar panel; the panel can be made of a transparent plastic material that enables the liquid to be irradiated by external light; the panel in a transparent material can be used as a light exposure apparatus of a photobioreactor destined to the cultivation of various types of organisms; the organisms produced can be used in the fields of energy generation, pharmaceutics, nutrition.