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n. pl. ac·i·ni (-nī′)
One of the small saclike dilations composing a compound gland.

[Latin, berry.]

a·cin′ic (ə-sĭn′ĭk), ac′i·nous adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -ni (-ˌnaɪ)
1. (Anatomy) anatomy any of the terminal saclike portions of a compound gland
2. (Botany) botany any of the small drupes that make up the fruit of the blackberry, raspberry, etc
3. botany obsolete a collection of berries, such as a bunch of grapes
[C18: New Latin, from Latin: grape, berry]
acinic, ˈacinous, ˈacinose adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈæs ə nəs)

n., pl. -ni (-ˌnaɪ)
1. a small, rounded form, as a lobule, sac, seed, or berry.
2. the smallest secreting portion of a gland.
[1725–35; < Latin: grape, berry, seed of a berry]
ac′i•nar (-nər, -ˌnɑr) a•cin•ic (əˈsɪn ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acinus - one of the small drupes making up an aggregate or multiple fruit like a blackberryacinus - one of the small drupes making up an aggregate or multiple fruit like a blackberry
drupelet - a small part of an aggregate fruit that resembles a drupe
2.acinus - one of the small sacs or saclike dilations in a compound glandacinus - one of the small sacs or saclike dilations in a compound gland
gland, secreter, secretor, secretory organ - any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream
sac - a structure resembling a bag in an animal
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In reactions with PNA serous acinus (+), UEA-I mucous corpus (+), WGA serous acinus (+), Con-A mucous corpus (+), WGA and PNA showed moderate (+) reactivity while RCA-I and Con-A showed intense (+) reaction in flushing channels (Hirshberg et al.).
In the submandibular glands, changes in the atrophic sinuses, from serous acinus and pyknotic nuclei, were significant in some gland epithelial cells.
The contrast enhancement properties of HP may, in some cases, be different from orthotopic pancreas, which is due to the density of the contained acinus and islet cells.
Lance et al., "Increased extracellular matrix density decreases MCF10A breast cell acinus formation in 3D culture conditions," (in eng), J Tissue Eng Regen Med, vol.
Epithelial cells inside acinus are distinctly observed based on the fluorescent cytoplasm and nonfluorescent nuclei.
The objective of this study is to investigate the effects of acinar geometrical details, such as the interalveolar septum and pore size, on acinus airflow and particle dynamics in both a simplified 4-alveoli model and a 45-alveoli model.
SOS is believed to be caused by cytoreductive injury to hepatocytes and endothelial cells in zone three of the liver acinus. This is strongly influenced by factors that induce the release of tumor necrosis factor-a (TNF-a) leading to coagulation with obstruction of hepatic sinusoids and venules [15] (Figure 2).
It is important to note that oocytes presenting different characteristics can be physically close to one another and also close to apparently healthy oocytes in the same acinus (Fig.
The pancreatic acinus were tubular or vesicular, and formed the peripheral gland cells, as well as the middle centroacinar cells.
In each acinus 20 cells were randomly measured for epithelial height.The height of each cell was measured from the basement membrane till the apex of the cell facing the lumen at X40 and a mean height was calculated12.
To understand the acinus, one needs to recall the 3-dimensional anatomy of the lung, but beginning at the level of the terminal membranous bronchiole.