51Թ

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hilum

[ hahy-luhm ]

noun

plural hila
  1. Botany.
    1. the mark or scar on a seed produced by separation from its funicle or placenta.
    2. the nucleus of a granule of starch.
  2. Mycology. a mark or scar on a spore at the point of attachment to the spore-bearing structure.
  3. Anatomy. the region at which the vessels, nerves, etc., enter or emerge from a part.


hilum

/ ˈɪə /

noun

  1. botany
    1. a scar on the surface of a seed marking its point of attachment to the seed stalk (funicle)
    2. the nucleus of a starch grain
  2. a deep fissure or depression on the surface of a bodily organ around the point of entrance or exit of vessels, nerves, or ducts
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hilum

/ īə /

, Plural hila

  1. 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.
  2. 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 .
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Other 51Թ Forms

  • l adjective
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51Թ History and Origins

Origin of hilum1

1650–60; < New Latin; Latin: little thing, trifle; nil
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51Թ History and Origins

Origin of hilum1

C17: from Latin: trifle; see nihil
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Example Sentences

Examples have not been reviewed.

Inverted and straight, with the micropyle next the hilum and the radicle consequently inferior.

From

At the extremity most remote from the hilum, as the embryo, or inverted with respect to the seed, as the radicle.

From

The form of the hilum is constant throughout a genus, and sometimes also in whole tribes.

From

In an orthotropal seed the embryo is inverted or antitropal, the radicle pointing to the apex of the seed, or to the part opposite the hilum.

From

In the Cetacea this transverse opening is kidney-shaped, the hilum of the kidney being above.

From

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