Last Updated：2025/12/07

(anatomy) A portion of the peritoneal cavity that lies posterior to the stomach and the lesser omentum.

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lesser sac

Source Word

lesser sac

(anatomy) A portion of the peritoneal cavity that lies posterior to the stomach and the lesser omentum.

Japanese Meaning

胃および小網の後側に位置する腹膜腔の一部分

During the exploratory laparotomy, the surgeon inspected the lesser sac for signs of inflammation or abscess.

開腹探索中、外科医は炎症や膿瘍の兆候がないか小網嚢（胃と小網膜の後方に位置する腹膜腔の一部）を調べた。

Sense（1）

(anatomy) A portion of the peritoneal cavity that lies posterior to the stomach and the lesser omentum.

lesser sacs

（ plural ）