hilum
noun
hi·lum
| \ ˈhī-ləm
\
\
plural hila\ ˈhī-lə
\
\
Definition of hilum
1
: a scar on a seed (such as a bean) marking the point of attachment of the ovule
2
: a notch in or opening from a bodily part suggesting the hilum of a bean
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More Definitions for hilum
hilum
noun
hi·lum
| \ ˈhī-ləm
\
\
plural hila\ -lə
\
\
Medical Definition of hilum
1
: a scar on a seed (as a bean) marking the point of attachment of the ovule
2
: a notch in or opening from a bodily part suggesting the hilum of a bean especially when it is where the blood vessels, nerves, or ducts leave and enter: as
a
: the indented part of a kidney
b
: the depression in the medial surface of a lung that forms the opening through which the bronchus, blood vessels, and nerves pass
c
: a shallow depression in one side of a lymph node through which blood vessels pass and efferent lymphatic vessels emerge