 
<translate> Don amsa wannan tambayar, ya kamata mu san cewa: Ginshiƙan suna kama da layi domin an kafa su ne ta hanyar madaidaiciyar layi ɗaya na nephrons da kuma tarin magudana. Saboda haka, amsar ita ce domin an kafa su ne da sassan nephrons da kuma hanyoyin da ke tattara su. <eng> To answer this question, we should know that: The pyramids appear striped because they are formed by straight parallel segments of nephrons and collecting ducts.
Therefore, the answer is because they are formed by straight parallel segments of nephrons and collecting ducts. 