Anatomy. A small, sac-like structure lined with secretory cells and opening into a ductule or duct of an exocrine gland.
| 单词 | θ27990 | 
| 释义 | the world > life > the body > secretory organs > gland > 			[noun]		 > parts of gland (2)		 acinus1702 Anatomy. A small, sac-like structure lined with secretory cells and opening into a ductule or duct of an exocrine gland. alveolus1872 Anatomy and Zoology. An acinus of an exocrine gland. | 
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