columella

See also: Columella

EnglishEdit

EtymologyEdit

From Latin columella (small column).

NounEdit

columella (plural 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.

TranslationsEdit

Derived termsEdit

ReferencesEdit

  • columella” in The American Heritage® Dictionary of the English Language, Fourth Edition, Houghton Mifflin Company, 2000.

See alsoEdit


ItalianEdit

EtymologyEdit

From Latin columella.

NounEdit

columella f (plural columelle)

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

SynonymsEdit


LatinEdit

PronunciationEdit

NounEdit

columella f (genitive columellae); first declension

  1. Diminutive of columna; thus, a small column.

DescendantsEdit

Last modified on 17 April 2014, at 13:26