Noun
The eye of a bean or other seed; the mark or scar at the point of attachment of an ovule or seed to its base or support; -- called also hile.
The part of a gland, or similar organ, where the blood vessels and nerves enter; the hilus; as, the hilum of the kidney.
Source: Webster's dictionarythe hilus of the kidney Source: Internet
A. Seed Coat B. Cotyledon C. Hilum D. Plumule E. Radicle F. Endosperm Embryo In endospermic seeds, there are two distinct regions inside the seed coat, an upper and larger endosperm and a lower smaller embryo. Source: Internet