Occult bleeding

Japanese: occult bleeding(英語表記)occultbleeding
Occult bleeding

…Diseases of the digestive tract, i.e. the esophagus, stomach, small intestine (especially the duodenum), and large intestine, as well as the pancreas and biliary system, that cause bleeding in the digestive tract and result in blood being expelled from the mouth (hematemesis) or the anus (occult bleeding or melena). Gastrointestinal bleeding is one of the symptoms seen in many digestive diseases, and when the amount of bleeding is small, there are no subjective symptoms and it is easily overlooked. …

*Some of the terminology that refers to "occult bleeding" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…消化管すなわち食道,胃,小腸(とくに十二指腸)および大腸,さらに膵臓や胆道系の疾患で,消化管内に出血を生じ,血液が口から吐出したり(吐血hematemesis),肛門から排出する(潜出血occult bleedingあるいは下血melena)こと。 消化管出血は多くの消化器疾患においてみられる症状の一つで,出血量の少ない場合には自覚症状もなく見過ごされやすい。…

※「occult bleeding」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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