english: They start at the surface of the brain, and then they dive down into the tissue itself, and as they spread out, they supply nutrients and oxygen to each and every cell in the brain.
non_english: Bu ağlar beynin yüzeyinde başlar, ve sonra beyin dokusunun  derinliklerine inerler ve de iyice yayılarak, besin ve oksijeni beyindeki her hücreye ulaştırırlar.