acinus
ac·i·nus
noun \ˈa-sə-nəs\ plural ac·i·ni\-ˌnī\
Definition of ACINUS
: any of the small sacs terminating the ducts of some exocrine glands and lined with secretory cells
— ac·i·nous \-nəs\ adjective
Origin of ACINUS
New Latin, from Latin, berry, berry seed
First Known Use: circa 1751
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