Definition of Hilum

1. Noun. (anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ. "The hilus of the kidney"

Exact synonyms: Hilus
Generic synonyms: Fissure
Category relationships: Anatomy, General Anatomy
Derivative terms: Hilar



2. Noun. The scar on certain seeds marking its point of attachment to the funicle.
Generic synonyms: Point
Derivative terms: Hilar

Definition of Hilum

1. n. 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.

Definition of Hilum

1. Noun. (botany) 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. ¹

2. Noun. (botany) The nucleus of a starch grain. ¹

3. Noun. (anatomy) A depression or fissure through which ducts, nerves, or blood vessels enter and leave a gland or organ. Also called porta. ¹

¹ Source: wiktionary.com

Definition of Hilum

1. a small opening in a bodily organ [n HILA]

Medical Definition of Hilum

1. The scar on a seed coat at the place where it was attached to its stalk during development. (11 Jan 1998)

Hilum Pictures

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Lexicographical Neighbors of Hilum

hillsmen
hillspeople
hilltop
hilltops
hillwalker
hillwalkers
hillwalking
hillward
hillwards
hilly
hilted
hilting
hiltless
hilts
hilum (current term)
hilum lienis
hilum nodi lymphatici
hilum nuclei dentati
hilum nuclei olivaris
hilum of dentate nucleus
hilum of kidney
hilum of lung
hilum of lymph node
hilum of olivary nucleus
hilum of ovary
hilum of spleen
hilum ovarii
hilum pulmonis
hilum renalis

Literary usage of Hilum

Below you will find example usage of this term as found in modern and/or classical literature:

1. Histology of Medicinal Plants by William Mansfield (1916)
"In central hilum starch grains the grain is laid down around the hilum in the ... In eccentric hilum starch grains the starch will be deposited in layers ..."

2. Surgery, Gynecology & Obstetrics by The American College of Surgeons, Franklin H. Martin Memorial Foundation (1910)
"One renal artery to hilum and an accessory to lower pole arising from iliac. Fig. 8. Main renal artery enters hilum, and accessory artery passes from aorta ..."

3. Gray's Lessons in Botany and Vegetable Physiology by Asa Gray (1875)
"In this kind, the orifice (/) is at the top, the chalaza and the hilum (c) are blended at the base or point of attachment, which is at the opposite end ..."

4. Proceedings of the American Pharmaceutical Association at the Annual Meeting by American Pharmaceutical Association, National Pharmaceutical Convention (1903)
"Single granules circular, hilum eccentric and only a dot. ... Simple granules elongated, with filiform eccentric hilum or central, star-shaped hilum, ..."

5. The Microscopy of Vegetable Foods: With Special Reference to the Detection by Andrew Lincoln Winton, Josef Moeller, Kate Grace Barber Winton (1916)
"Grains under 100 p, mostly oyster-shell shaped; hilum in the narrow, ... Many grains over 100 n, broadly elliptical with a blunt point; hilum in the pointed ..."

6. Text-book of Western Botany: Consisting of Coulter's Manual of the Botany of by John Merle Coulter, Asa Gray (1885)
"In this kind, the orifice (/) is at the top, the chalaza and the hilum (c) are blended at the base or point of attachment, which is at the opposite end ..."

7. Manual of the Botany of the Northern United States by Asa Gray (1880)
"In this kind, the orifice (/) is at the top, the chalaza and the hilum (c) are blended at the base or point of attachment, which is at the opposite end ..."

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