different between sexine vs columella

English

Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Noun

sexine (plural sexines)

1. (palynology) The outer part of the exine, the outer covering of a pollen grain

Coordinate terms

• nexine
• ectexine
• endexine

Derived terms

• sexinal

Anagrams

• exines

English

Etymology

From Latin columella (“small column”).

Pronunciation

• Rhymes: -?l?

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 at the center 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

• columellar
• columellate
• columelloid

Translations

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 +? -ellus.

Pronunciation

• (Classical) IPA^(key): /ko.lu?mel.la/, [k?????m?l??ä]
• (Ecclesiastical) IPA^(key): /ko.lu?mel.la/, [k?lu?m?l??]

Noun

columella f (genitive columellae); first declension

1. Diminutive of columna: a small column or pillar

Declension

First-declension noun.

Descendants

• English: columella
• French: coulemelle
• Italian: columella
• Portuguese: columela
• Translingual: Columella

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, 1883–1887)
• columella in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• columella in Ramminger, Johann (accessed 16 July 2016) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700?^[1], pre-publication website, 2005-2016