columella
noun/ˌkɒləˈmɛlə/
Etymology From Latin columella (“small column”).
7 senses
- 1Any of various small structures in plants or animals…
- 2The skin at the end of the septum which separates the nostrils.
- 3In birds, reptiles, and amphibians, the small bone which…
- 4In gastropods, the structure that extends down the…
- 5The structure at the center of the calyx where the septa…
- 6The central sterile portion of the sporangium in various fungi.
- 7A rod-shaped reinforcing element of the sexine layer of…
1
Biology, Natural sciences Any of various small structures in plants or animals that are columnar in shape.
3
Anatomy, Medicine, Sciences Comparative In birds, reptiles, and amphibians, the small bone which carries vibration from the tympanum to the inner ear.
4
Biology, Malacology, Natural sciences In gastropods, the structure that extends down the middle of the whorls of the shell.
5
The structure at the center of the calyx where the septa join together.
7
Biology, Chemistry, Microbiology, Natural sciences, Palynology, Physical sciences A rod-shaped reinforcing element of the sexine layer of a pollen grain.
- Derived terms
- columella nasi, columellar, columellate, columelliform, columelloid, pseudocolumella