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

Definition of ACINUS

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

Seen & Heard

What made you want to look up acinus? Please tell us where you read or heard it (including the quote, if possible).