Inflammation of the small intestine (small bowel) combined with mucous secretions or discharge.
From Greek 'blenna' (mucus) + 'enteron' (intestine) + '-itis' (inflammation). The term evolved in medical language during the 19th century to describe intestinal inflammation accompanied by excessive mucus production.
This word reveals how doctors literally combine Greek roots like building blocks—'blenna' for mucus appears in dozens of medical terms, making it a master key for understanding why medical language sounds so foreign but is actually very logical.
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