- the mark or scar on a seed produced by separation from its funicle or placenta.
- the nucleus of a granule of starch.
Origin of hilum
OTHER WORDS FROM hilumhilar, adjective
Words nearby hilum
How to use hilum in a sentence
He considers the centre of the hilum as the base, and the chalaza, where it exists, as the natural apex of the seed.
The blood-vessels enter at one spot, the hilum, and are distributed along the trabeculae.
The hilum or base of the seed, and the chalaza or base of the nucellus are united by means of the raphe r.
This tear extended up into the hilum of the lobe, but had not torn a major bronchus or a major blood vessel.Warren Commission (6 of 26): Hearings Vol. VI (of 15)|The President's Commission on the Assassination of President Kennedy
In the Cetacea this transverse opening is kidney-shaped, the hilum of the kidney being above.
British Dictionary definitions for hilum
- a scar on the surface of a seed marking its point of attachment to the seed stalk (funicle)
- the nucleus of a starch grain