Is the coelenteron the same as a stomach?

It is analogous to a stomach but is simpler. It is a multipurpose cavity for digestion, nutrient distribution, and sometimes even gamete storage, with a single opening.

Which animals have a coelenteron?

Members of the phyla Cnidaria (jellyfish, corals, sea anemones) and Ctenophora (comb jellies).

How do you pronounce 'coelenteron'?

The first syllable sounds like 'sih' or 'suh' (/sɪ/ or /sə/). The stress is on the second syllable: si-LEN-tuh-ron.

Why is the spelling 'coel-' used?

It comes from the Greek 'koilos', meaning 'hollow'. The 'oe' digraph is a Latin transliteration of the Greek omicron-epsilon (οι).

Is “coelenteron” formal?

Coelenteron is usually formal, scientific in register.

coelenteron: meaning, definition, pronunciation and examples

Very Low / Technical

UK/sɪˈlɛntərɒn/US/səˈlɛntəˌrɑn/

Formal, Scientific

My Flashcards

Quick answer

What does “coelenteron” mean?

The central digestive cavity of a cnidarian (e.

Audio

Pronunciation

Definition

Meaning and Definition

The central digestive cavity of a cnidarian (e.g., jellyfish, sea anemone) or ctenophore, which has a single opening functioning as both mouth and anus.

In zoology, the term refers specifically to the sac-like body cavity in these simple aquatic animals, forming the core of their gastrovascular system.

Dialectal Variation

British vs American Usage

Differences

No significant difference in meaning. Spelling follows the same 'oe' digraph. Pronunciation may have slight vowel quality differences.

Connotations

Purely technical, with no cultural or regional connotations.

Frequency

Extremely rare outside academic or research contexts in both regions.

Grammar

How to Use “coelenteron” in a Sentence

The coelenteron (subject) + verb (is lined with, functions as, extends into) + object.

Vocabulary

Collocations

strong

gastrovascular cavitycentral cavitybody cavitysingle opening

medium

lined withfunctions asextends intocommunicates with

weak

largesimplehollowinternal

Examples

Examples of “coelenteron” in a Sentence

adjective

British English

coelenteric lining
coelenteron anatomy

American English

coelenteric cavity
coelenteron function

Usage

Meaning in Context

Business

Never used.

Academic

Exclusively used in zoology, marine biology, and comparative anatomy textbooks and research papers.

Everyday

Virtually unknown and never used.

Technical

Precise anatomical term for describing the digestive anatomy of cnidarians and ctenophores.

Vocabulary

Synonyms of “coelenteron”

Neutral

gastrovascular cavity

Weak

body cavityinternal sac

Watch out

Common Mistakes When Using “coelenteron”

Misspelling as 'celenteron' (dropping the 'o').
Mispronouncing the 'oe' as /oʊ/ (like in 'coefficient').
Using it to refer to any body cavity in any animal.

FAQ

Frequently Asked Questions

: It is analogous to a stomach but is simpler. It is a multipurpose cavity for digestion, nutrient distribution, and sometimes even gamete storage, with a single opening.
: Members of the phyla Cnidaria (jellyfish, corals, sea anemones) and Ctenophora (comb jellies).
: The first syllable sounds like 'sih' or 'suh' (/sɪ/ or /sə/). The stress is on the second syllable: si-LEN-tuh-ron.
: It comes from the Greek 'koilos', meaning 'hollow'. The 'oe' digraph is a Latin transliteration of the Greek omicron-epsilon (οι).
: The central digestive cavity of a cnidarian (e.
: Coelenteron is usually formal, scientific in register.

Learning

Memory Aids

Mnemonic

Think: 'COEL' (hollow, like coeLom) + 'ENTERON' (intestine, as in gastroenterology) = the hollow gut of a simple animal.

Conceptual Metaphor

The stomach-room; The central kitchen (where digestion and distribution occur in one space).

Practice

Quiz

Fill in the gap

In a sea anemone, the is the cavity where extracellular digestion takes place.

Multiple Choice

What is the primary function of the coelenteron?