columella
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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.
See also: Columella
English
Etymology
From Latin columella (“small column”).
Pronunciation
Noun
columella (plural columellas or columellae)
- (biology) Any of various small structures in plants or animals that are columnar in shape.
- (anatomy) The skin at the end of the septum which separates the nostrils.
- (comparative anatomy) In birds, reptiles, and amphibians, the small bone which carries vibration from the tympanum to the inner ear.
- (malacology) In gastropods, the structure that extends down the middle of the whorls of the shell.
- (coral science) The structure at the center of the calyx where the septa join together.
- (mycology) The central sterile portion of the sporangium in various fungi.
- (palynology) A rod-shaped reinforcing element of the sexine layer of a pollen grain.
Derived terms
Translations
any of various small structures in plants or animals
central sterile portion of the sporangium
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See also
References
- “columella”, in The American Heritage Dictionary of the English Language, 4th edition, Boston, Mass.: Houghton Mifflin, 2000, →ISBN.
Italian
Etymology
Noun
columella f (plural columelle)
Synonyms
Latin
Alternative forms
Etymology
From columna + -la or columen + -la.
Pronunciation
- (Classical Latin) IPA(key): /ko.luˈmel.la/,
- (modern Italianate Ecclesiastical) IPA(key): /ko.luˈmel.la/,
Noun
columella f (genitive columellae); first declension
- diminutive of columna: a small column or pillar
Declension
First-declension noun.
| 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