English-Portuguese translations for columella
Definition of columella
- Any of various small structures in plants or animals that are columnar in shape
- In birds, reptiles, and amphibians, the small bone which carries vibration from the tympanum to the inner ear
- The structure at the center of the calyx where the septa join together
- A rod-shaped reinforcing element of the sexine layer of a pollen grain
Trending Searches
Popular Dictionaries