blastopore: meaning, definition, pronunciation and examples

C2 (Very Low Frequency)
UK/ˈblæstə(ʊ)ˌpɔː/US/ˈblæstəˌpɔːr/

Academic/Technical (specialized biology, embryology)

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Quick answer

What does “blastopore” mean?

The initial opening of the primitive digestive tract in an embryo at an early stage of development.

Audio

Pronunciation

Definition

Meaning and Definition

The initial opening of the primitive digestive tract in an embryo at an early stage of development.

A fundamental structure in developmental biology and embryology, serving as the point of invagination during gastrulation, which can develop into the mouth (protostome) or anus (deuterostome).

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage. Spelling and pronunciation are identical.

Connotations

None beyond the strict biological definition.

Frequency

Exclusively used in academic/technical biological contexts in both varieties. Frequency is equally negligible in general discourse.

Grammar

How to Use “blastopore” in a Sentence

The blastopore [verb: forms, closes, becomes]...Cells move toward the blastopore.The fate of the blastopore determines...[Adjective: dorsal, ventral] blastopore

Vocabulary

Collocations

strong
the blastopore formsblastopore lipblastopore closuredorsal blastoporeprimitive blastopore
medium
formation of the blastoporefate of the blastoporecells converge at the blastopore
weak
early blastoporeembryonic blastoporesmall blastopore

Examples

Examples of “blastopore” in a Sentence

adjective

British English

  • blastoporal morphology
  • blastoporic fate

American English

  • blastoporal closure
  • blastoporic region

Usage

Meaning in Context

Business

Never used.

Academic

Exclusive domain. Used in embryology, developmental biology, and zoology textbooks and research papers.

Everyday

Never used.

Technical

Core technical term in embryology and developmental biology labs and literature.

Vocabulary

Synonyms of “blastopore”

Strong

archentic opening (archaic/rare)

Neutral

primitive opening

Weak

embryonic opening

Watch out

Common Mistakes When Using “blastopore”

  • Misspelling as 'blastophore' or 'blasopore'.
  • Mispronouncing with stress on the last syllable (e.g., blas-to-PORE).
  • Using it to refer to any pore in a cell or organism.

FAQ

Frequently Asked Questions

No, it is a highly specialised term used only in embryology and developmental biology.

The blastula is an early, hollow ball stage of the embryo. The blastopore is the opening that forms during the next stage (gastrulation) when the ball begins to fold inwards.

Yes, human embryos form a structure homologous to the blastopore (often called the primitive streak in birds and mammals, which is a functional equivalent) during gastrulation. Humans are deuterostomes, meaning the blastopore-associated opening becomes the anus.

No, it would be inappropriate and confusing. It has no meaning or application outside of technical biological contexts.

The initial opening of the primitive digestive tract in an embryo at an early stage of development.

Blastopore is usually academic/technical (specialized biology, embryology) in register.

Blastopore: in British English it is pronounced /ˈblæstə(ʊ)ˌpɔː/, and in American English it is pronounced /ˈblæstəˌpɔːr/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think of a 'blast' of cells starting to form a 'pore' or opening in the very early embryo.

Conceptual Metaphor

THE EMBRYO IS A MAP: The blastopore is a key landmark (like the origin point on a map) from which the body plan is organized.

Practice

Quiz

Fill in the gap
The point where invagination begins during gastrulation is called the .
Multiple Choice

What is the primary significance of the blastopore in animal classification?

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