endodermis: meaning, definition, pronunciation and examples

C2
UK/ˌɛndəʊˈdɜːmɪs/US/ˌɛndoʊˈdɜːrmɪs/

Technical

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Quick answer

What does “endodermis” mean?

The innermost layer of cells in the cortex of a plant root or stem.

Audio

Pronunciation

Definition

Meaning and Definition

The innermost layer of cells in the cortex of a plant root or stem.

In botany, a specialized tissue layer acting as a selective barrier, controlling the flow of water and solutes into the vascular system. In zoology, a dated term sometimes used for the innermost germ layer (endoderm).

Dialectal Variation

British vs American Usage

Differences

No difference in meaning or usage. Spelling and pronunciation are identical.

Connotations

None beyond its strict scientific definition.

Frequency

Used with identical, very low frequency in both scientific communities.

Grammar

How to Use “endodermis” in a Sentence

The endodermis of [plant part][Adjective] endodermis

Vocabulary

Collocations

strong
casparian striproot cortexvascular cylindersuberin
medium
primarysecondarydifferentiatedimpermeable
weak
plantlayercellsbarrier

Examples

Examples of “endodermis” in a Sentence

adjective

British English

  • endodermal cells
  • endodermal tissue

American English

  • endodermal cells
  • endodermal tissue

Usage

Meaning in Context

Business

Never used.

Academic

Used in botany and plant physiology textbooks and research papers.

Everyday

Virtually never used.

Technical

Core term in plant anatomy and physiology.

Vocabulary

Synonyms of “endodermis”

Neutral

inner cortex layer

Weak

barrier layer

Vocabulary

Antonyms of “endodermis”

Watch out

Common Mistakes When Using “endodermis”

  • Misspelling as 'endodemis' or 'endodermus'.
  • Confusing it with the epidermis.

FAQ

Frequently Asked Questions

No. In botany, 'endodermis' refers specifically to plant tissue. 'Endoderm' is the innermost germ layer in animal embryos.

It is a defining feature of the roots of all vascular plants and is also present in the stems of many.

A band of suberin and lignin embedded in the radial and transverse walls of the endodermal cells, forcing water and solutes to pass through the cells for selective absorption.

No, it is a microscopic layer of cells and requires a microscope to be observed.

The innermost layer of cells in the cortex of a plant root or stem.

Endodermis is usually technical in register.

Endodermis: in British English it is pronounced /ˌɛndəʊˈdɜːmɪs/, and in American English it is pronounced /ˌɛndoʊˈdɜːrmɪs/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think: ENDO (inside) + DERMIS (skin) = the inner skin of the plant root.

Conceptual Metaphor

A SECURITY CHECKPOINT or SELECTIVE FILTER for the plant's vascular system.

Practice

Quiz

Fill in the gap
Water must pass through the to reach the xylem.
Multiple Choice

What is the primary function of the endodermis?