Borrowing from Latin zōnula (“small belt or girdle”).
zonula (plural zonulae or zonulas)
- (anatomy) Any of several small belt-like regions.
- 1883, Half-yearly compendium of medical science, Volumes 31-34, page 146,
- The zonula originates by a small number of delicate fibres from the vitreous [lamella].
- 1980, Yves Le Grand, Sami G. El Hage, Physiological Optics, page 95,
- Nevertheless, the zonula is most often considered as the principal agent of transmission.
Diminutive form of zōna (“belt”, “girdle”), formed as zōna + -ula (suffix forming feminine diminutives).
zōnula f (genitive zōnulae); first declension
- a little or small belt or girdle