General Anatomy · Multiple Systems · Hard
Acinus
Meaning: A small rounded sac-like cluster of secretory cells, or the terminal respiratory unit of the lung.
In practice: Each pancreatic acinus releases digestive enzymes into a tiny duct leading towards the duodenum.
Quick check
Two questions on related general anatomy words.
Which word means: Rounded eminence on the lateral distal humerus that articulates with the radial head.
Answer: Capitellum
Which word means: The thick muscular middle layer of the heart wall that contracts to pump blood.
Answer: Myocardium
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