hilum hilum /ˈhaɪləm/

noun

1. () (anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ  ( hilus , hilum )
   (anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ
    The hilus of the kidney
   the hilus of the kidney
   
2. The scar on certain seeds marking its point of attachment to the funicle  ( hilum )
   the scar on certain seeds marking its point of attachment to the funicle