hilum
Botany.
the mark or scar on a seed produced by separation from its funicle or placenta.
the nucleus of a granule of starch.
Mycology. a mark or scar on a spore at the point of attachment to the spore-bearing structure.
Anatomy. the region at which the vessels, nerves, etc., enter or emerge from a part.
Origin of hilum
1Other words from hilum
- hilar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use hilum in a sentence
Her ascension to the throne of a goddess would virtually make him ruler of Hilar.
The Goddess of Atvatabar | William R. Bradshaw
British Dictionary definitions for hilum
/ (ˈhaɪləm) /
botany
a scar on the surface of a seed marking its point of attachment to the seed stalk (funicle)
the nucleus of a starch grain
a deep fissure or depression on the surface of a bodily organ around the point of entrance or exit of vessels, nerves, or ducts
Origin of hilum
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for hilum
[ hī′ləm ]
A mark or scar on a seed, such as a bean, showing where it was formerly attached to the plant. The hilum indicates the point of attachment of the funiculus.
A depression or opening through which nerves, ducts, or blood vessels pass in an organ or a gland, as in the medial aspect of the lungs or the kidneys .
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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