lesser omentum: meaning, definition, pronunciation and examples
C2Technical/Medical
Quick answer
What does “lesser omentum” mean?
A double layer of peritoneum that connects the stomach to the liver.
Audio
Pronunciation
Definition
Meaning and Definition
A double layer of peritoneum that connects the stomach to the liver.
A specific anatomical fold of the peritoneum, extending from the lesser curvature of the stomach and the beginning of the duodenum to the porta hepatis of the liver. It forms part of the boundary of the lesser sac (omental bursa) and contains important structures like the hepatic artery, bile duct, and portal vein within its free edge (the hepatoduodenal ligament).
Dialectal Variation
British vs American Usage
Differences
No significant lexical or semantic differences. Spelling and terminology are identical.
Connotations
None beyond the strict anatomical meaning.
Frequency
Equally rare and specialized in both variants, used only in medical/anatomical fields.
Grammar
How to Use “lesser omentum” in a Sentence
The [lesser omentum] [verb: attaches/connects/extends] [from the stomach] [to the liver].Vocabulary
Collocations
Usage
Meaning in Context
Business
Not used.
Academic
Exclusively used in medical, anatomical, and biological sciences in textbooks, lectures, and research papers.
Everyday
Virtually never used in everyday conversation.
Technical
The primary context. Used by surgeons, anatomists, radiologists, and medical students to describe abdominal anatomy.
Vocabulary
Synonyms of “lesser omentum”
Neutral
Weak
Vocabulary
Antonyms of “lesser omentum”
Watch out
Common Mistakes When Using “lesser omentum”
- Pronouncing 'omentum' as /əʊˈmɛn.tjuːm/ (adding a /j/ sound).
- Using 'minor omentum' instead of 'lesser omentum'.
- Confusing it with the 'greater omentum' in descriptions of location or size.
- Omitting the definite article 'the'.
FAQ
Frequently Asked Questions
Not exactly. The hepatoduodenal ligament is the thickened, free right border of the lesser omentum. It contains the crucial portal triad. The broader, thinner part connecting to the stomach is the hepatogastric ligament.
It is called 'lesser' to distinguish it from the much larger and more apron-like 'greater omentum'. The lesser omentum is a smaller, more defined double layer of peritoneum.
It is critically important in surgeries of the liver, stomach, and bile ducts, as it contains major blood vessels and ducts. It also forms a boundary for the lesser sac, which can be involved in conditions like pancreatitis or abscess formation.
No, it is an internal structure deep within the abdomen and cannot be palpated through the abdominal wall.
A double layer of peritoneum that connects the stomach to the liver.
Lesser omentum is usually technical/medical in register.
Lesser omentum: in British English it is pronounced /ˈlɛs.ər əʊˈmen.təm/, and in American English it is pronounced /ˈlɛs.ɚ oʊˈmen.t̬əm/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: The LESSER omentum is the smaller, LESS prominent connection from the stomach to the liver. 'Lesser' for 'liver' (both start with L) - it connects to the Liver.
Conceptual Metaphor
A curtain or apron (though the 'greater omentum' is more commonly described this way). A suspensory ligament or tether.
Practice
Quiz
What does the lesser omentum connect?