Abstract Oocyte maturation is a key process during which the female germ cell undergoes resumption of meiosis and completes its preparation for embryonic development including cytoplasmic and epigenetic maturation. The cumulus cells directly surrounding the oocyte are involved in this process by transferring essential metabolites. such as pyruvate. to the oocyte. https://vacuumdoctores.shop/product-category/polishing-burnishing/