n. 核, 粒心, 脐

[医] 门, 种脐(种子), 皮片蒂(整形手术)

Hilum \Hi"lum\, n. [L., a little thing, trifle.]
1. (Bot.) 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}.

2. (Anat.) The part of a gland, or similar organ, where the
blood vessels and nerves enter; the hilus; as, the hilum
of the kidney.