Pheromones are used for conspecific communication by many animals. In Drosophila. the volatile male-specific pheromone 11-cis vaccenyl acetate (cVA) supplies an important signal for gender recognition. Sensing of cVA by the olfactory system depends on multiple components. https://www.royaltyfurnitureandappliancers.shop/product-category/standard-bookcases/