Medical Dictionary

acinus

noun aci·nus \ˈas-ə-nəs, ə-ˈsī-\
plural aci·ni \-ˌnī\

Medical Definition of ACINUS

:  any of the small sacs or alveoli that terminate the ducts of some exocrine glands and are lined with secretory cells

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears