If you answered “no”, you have every reason. Even though it was discovered and described in humans over 150 years ago (drawings of it appear in early copies of Grey’s Anatomy, an anatomy reference book that’s been running since 1858), scientists quickly dubbed it purposeless.
Article source: https://www.huffingtonpost.co.uk/entry/rete-ovarii-function-history-ignored-womens-health_uk_6ab1232be4b000f12fc81a55