Columella (Noun)
Meaning
A small column (or structure resembling a column) that is a part of a plant or animal.
Classification
Nouns denoting two and three dimensional shapes.
Examples
- The columella is the central, usually short, column or rod present in some types of cystoliths found in plant tissues.
- The columella is a small column found in certain cells, called hair cells, within the auditory system of some animals.
- In the Equisetum plant, the columella forms in the central part of the spore, serving as the central column.
- A thin columella that resembles a columnar axis runs through the center of some types of animal shells.
- The anatomy of certain seeds includes a columella that supports the seed's radicle.