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/

• Audio (US):

  (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

• columella nasi
• columellar
• columellate
• columelliform
• columelloid
• pseudocolumella

 

Translations

any of various small structures in plants or animals

• Finnish: kolumella
• French: columelle (fr)
• Romanian: columelă (ro) f
• Spanish: columela f

skin at the end of the septum

• Finnish: kolumella
• Romanian: columelă (ro) f
• Spanish: columela f

central sterile portion of the sporangium

• Finnish: keskipatsas, kolumella
• Romanian: columelă (ro) f
• Spanish: columela f

See also

• columella on Wikipedia.Wikipedia

References

• “columella”, in The American Heritage Dictionary of the English Language, 4th edition, Boston, Mass.: Houghton Mifflin, 2000, →ISBN.

Italian

Etymology

From Latin columella.

Noun

columella f (plural columelle)

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

Synonyms

• (columella bone): modiolo
• (stirrup bone): staffa

Latin

Alternative forms

• columnella

Etymology

From columna +‎ -la or columen +‎ -la.

Pronunciation

• (Classical Latin) IPA^(key): /ko.luˈmel.la/, [kɔɫ̪ʊˈmɛlːʲä]
• (modern Italianate Ecclesiastical) IPA^(key): /ko.luˈmel.la/, [koluˈmɛlːä]

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^[1], pre-publication website, 2005-2016