different between epithelium vs squama

English

Etymology

From New Latin epith?lium, from Ancient Greek ??? (epí, “on, atop, epi-”) + ???? (th?l?, “nipple”) + -ium (“aggregation”).

Pronunciation

• (UK) IPA^(key): /??p???i?l??m/

Noun

epithelium (plural epitheliums or epithelia)

1. (anatomy) A membranous tissue composed of one or more layers of cells which forms the covering of most internal and external surfaces of the body and its organs: internally including the lining of vessels and other small cavities, and externally being the skin.
   • 1969, Vladimir Nabokov, Ada or Ardor, Penguin 2011, p. 25:

     the passenger's roving eyes paused for a moment as he listened inwardly to a nether itch, which he supposed to be (correctly, thank Log) only a minor irritation of the epithelium.

   Synonym: epithelial tissue

Derived terms

• epithelial
• neoepithelium

Translations

See also

• endothelium
• epidermis

English

Etymology

Borrowed from Latin squ?ma (“scale”). Doublet of squame.

Noun

squama (plural squamae or squamas)

1. (medicine) A scale cast off from the skin; a thin dry shred of epithelium.
2. (botany) The bract of a deciduous spike.
3. (botany) Any scaly bracted leaf.
4. (entomology) calypter

Derived terms

• squamation

Related terms

• squamous

Further reading

• squama at OneLook Dictionary Search

Italian

Pronunciation

• IPA^(key): /?skwa.ma/

Etymology 1

From Latin squ?ma.

Noun

squama f (plural squame)

1. (zoology) scale (keratin piece covering the skin of reptiles and fishes)

   Synonym: scaglia

2. (anatomy) squama

Derived terms

• squamare
• squamoso

Etymology 2

Inflected form of the verb squamare.

Verb

squama

1. third-person singular present indicative of squamare
2. second-person singular imperative of squamare

Latin

Etymology

Probably related to squ?lus (“filthy, foul”) or possibly from Proto-Indo-European *(s)kewH- (“to cover”).

Pronunciation

• (Classical) IPA^(key): /?sk?a?.ma/, [?s?k?ä?mä]
• (Ecclesiastical) IPA^(key): /?skwa.ma/, [?skw??m?]

Noun

squ?ma f (genitive squ?mae); first declension

1. scale (of a fish or reptile)
2. (by extension) flake; any item shaped like a scale

Declension

First-declension noun.

Derived terms

• squ?m?tus
• squ?meus
• squ?mifer / squ?miger
• squ?m?sus
• squ?mula

Descendants

References

• squama in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• squama in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• squama in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette