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Etymology

squamous cell

/ˈskweɪməs sɛl/

noun

Origin

Latin

squama — scale (of a fish or reptile)

Overview

Meaning Now

  • A type of flat, thin epithelial cell that resembles a fish scale, found in the lining of many body organs and the outer layer of the skin.

Literal older meaning

scale-like cell

Language path

Latin → English

Earliest form

squamous

Earliest period

19th century

Journey

The term was formalized during the expansion of histological and pathological terminology in the 1800s, as scientists began classifying cells based on their morphological appearance under early microscopes.

Evolution

  1. Latin

    squama

    “scale”

  2. Late Latin

    squamosus

    “scaly”

  3. 17th century English

    squamous

    “scaly or scale-like”

    Adopted into scientific nomenclature

  4. 19th century English

    squamous cell

    “specific anatomical cell type”

    Medical anatomical terminology

Connections

Word parts

squam-

root

scale

-ous

suffix

possessing the qualities of

cell

compound

small room or biological unit

Related across languages

  • French

    squameux

    scaly

  • Italian

    squamoso

    scaly

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External references use DefinedTerm semantics.