columella

See also: Columella

English

As an example in malacology, this X-ray of a marine snail shell shows the columella as the dense central spiral passing down the core of the shell.

Etymology

From Latin columella (small column).

Pronunciation

  • IPA(key): /ˌkɒləˈmɛlə/
  • (file)
  • Rhymes: -ɛlə

Noun

columella (plural columellas or columellae)

  1. (biology) Any of various small structures in plants or animals that are columnar in shape.
  2. (anatomy) The skin at the end of the septum which separates the nostrils.
  3. (comparative anatomy) In birds, reptiles, and amphibians, the small bone which carries vibration from the tympanum to the inner ear.
  4. (malacology) In gastropods, the structure that extends down the middle of the whorls of the shell.
  5. (coral science) The structure at the center of the calyx where the septa join together.
  6. (mycology) The central sterile portion of the sporangium in various fungi.
  7. (palynology) A rod-shaped reinforcing element of the sexine layer of a pollen grain.

Derived terms

Translations

See also

References

Italian

Etymology

From Latin columella.

Noun

columella f (plural columelle)

  1. (biology, anatomy, zoology) columella, modiolus
  2. (anatomy) stapes, stirrup bone, stirrup

Synonyms

Latin

Alternative forms

Etymology

From columna + -la or columen + -la.

Pronunciation

Noun

columella f (genitive columellae); first declension

  1. Diminutive of columna: a small column or pillar

Declension

First-declension noun.

Case Singular Plural
Nominative columella columellae
Genitive columellae columellārum
Dative columellae columellīs
Accusative columellam columellās
Ablative columellā columellīs
Vocative columella columellae

Descendants

  • French: coulemelle, columelle
  • English: columella
  • Italian: columella
  • Portuguese: columela
  • Translingual: Columella (syn. of Biarritzina)

References

  • columella”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • columella”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • columella in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • columella”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • columella in Ramminger, Johann (2016 July 16 (last accessed)) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700, pre-publication website, 2005-2016
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