melaena: meaning, definition, pronunciation and examples
C2Technical / Medical
Quick answer
What does “melaena” mean?
Dark, tarry stools caused by the presence of digested blood from bleeding in the upper gastrointestinal tract.
Audio
Pronunciation
Definition
Meaning and Definition
Dark, tarry stools caused by the presence of digested blood from bleeding in the upper gastrointestinal tract.
In medical terminology, specifically refers to the black, sticky, and foul-smelling feces resulting from the oxidation of iron in hemoglobin as blood passes through the digestive system. Can also be spelled 'melena'.
Dialectal Variation
British vs American Usage
Differences
The primary spelling difference: British English tends to use 'melaena' (with the 'ae' digraph), while American English predominantly uses 'melena' (with a single 'e'). Both pronunciations are the same.
Connotations
None beyond the strict medical meaning.
Frequency
Extremely low frequency in general language. Its usage is confined to healthcare professionals, medical literature, and patient education materials. The American spelling 'melena' is becoming more common globally in medical publications.
Grammar
How to Use “melaena” in a Sentence
Patient [verb: presents with/has/developed] melaena.Melaena [verb: indicates/suggests/is a sign of] bleeding.Vocabulary
Collocations
Examples
Examples of “melaena” in a Sentence
verb
British English
- The patient began to melaena overnight.
- He has been melaenaing for two days.
American English
- The patient started to melena yesterday.
- She has been melenaing since admission.
adverb
British English
- The stool was passed melaenically. (Highly technical/rare)
American English
- The stool appeared melenically. (Highly technical/rare)
adjective
British English
- The melaenic stool was noted on the pad.
- She passed a melaenic motion.
American English
- The melenic stool was collected for testing.
- He described a melenic bowel movement.
Usage
Meaning in Context
Business
Not used.
Academic
Used extensively in medical and nursing textbooks, research papers, and case studies on gastroenterology or internal medicine.
Everyday
Virtually never used in everyday conversation. A patient might be told they 'have passed black, tarry stools' rather than using the term 'melaena'.
Technical
The primary context. Used in clinical notes, doctor-patient consultations, medical diagnoses, and hospital handovers to describe a specific symptom.
Vocabulary
Synonyms of “melaena”
Strong
Neutral
Weak
Vocabulary
Antonyms of “melaena”
Watch out
Common Mistakes When Using “melaena”
- Confusing 'melaena' with 'melanin' (the skin pigment).
- Using it to describe any dark stool, rather than specifically one caused by digested blood.
- Misspelling: 'malena', 'melania'.
FAQ
Frequently Asked Questions
No, they are different. Melaena refers to black, tarry stool from digested blood (usually an upper GI source). Bright red blood (hematochezia) typically indicates a lower GI source or rapid bleeding.
Yes, iron supplements, bismuth (Pepto-Bismol), licorice, and blueberries can darken stools. However, true melaena has a distinct, foul odour and sticky, tarry consistency that usually distinguishes it from dietary causes.
It is considered a serious symptom that requires prompt medical evaluation. While not every case is immediately life-threatening, it can signify significant internal bleeding and should never be ignored.
British English traditionally uses 'melaena' (ae), while American English uses 'melena' (e). The 'melena' spelling is increasingly common in international medical literature.
Dark, tarry stools caused by the presence of digested blood from bleeding in the upper gastrointestinal tract.
Melaena is usually technical / medical in register.
Melaena: in British English it is pronounced /məˈliːnə/, and in American English it is pronounced /məˈlinə/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. The term is strictly technical.”
Learning
Memory Aids
Mnemonic
Think: 'MEL' (like 'melon' which can be dark inside) + 'AENA' sounds like 'anaemia' (lack of blood). Melaena is about digested blood (related to blood issues) in stool.
Conceptual Metaphor
PATHOLOGY IS A SIGNAL. Melaena is not the disease itself but a visible, ominous signal (like a black flag) of a hidden internal problem (bleeding).
Practice
Quiz
Which of the following best describes melaena?