Hilum

Quick meaning: Hilum is a noun meaning (botany) The nucleus of a starch grain.

Meaning

(botany) The nucleus of a starch grain.

More Meanings

1. (anatomy) A depression or fissure through which ducts, nerves, or blood vessels enter and leave a gland or organ.
2. (botany) The eye of a bean or other seed, or the center of that eye; the mark or scar at the point of attachment of an ovule or seed to its base or support.

Example Sentences

The hilum is very prominent in some species and nearly flat in others.

In central hilum starch grains the grain is laid down around the hilum in the form of concentric layers.

The shadows of the hila on chest X-ray are mainly formed by the pulmonary arteries (PAs) and some of their main branches and the upper pulmonary veins (PVs).

In the large majority of normal patients, the hila appear equal in size on frontal radiographs; comparison of the two hila is helpful in patients with a unilateral abnormality.

Word Forms

• hila
• hile
• hilus

Synonyms for hilum

Depending on context, synonyms include porta, hilus.

Related Words

Related dictionary entries include hilus, scar, omphalode, umbilicus, hypocotyl, micropyle.

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