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Epithelial: meaning, definitions and examples

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epithelial

 

[ ˌepɪˈθiːliəl ]

Adjective
Context #1 | Adjective

biological tissue

Epithelial refers to a type of tissue that forms the outer layer of skin and lines various cavities and organs within the body. This tissue is composed of closely packed cells that provide protection, absorption, secretion, and sensation. Epithelial tissue is classified based on the shape of the cells and the number of layers present. Common types include simple squamous, cuboidal, and columnar epithelium. It plays a crucial role in establishing barriers and facilitating exchanges between the body's internal and external environments.

Synonyms

cellular, outer, skin-like

Examples of usage

  • The epithelial layers protect internal organs.
  • Epithelial cells line the digestive tract.
  • Changes in epithelial tissue can indicate disease.
  • Epithelial tissue is involved in absorption.
  • Glands are formed from epithelial tissue.

Translations

Translations of the word "epithelial" in other languages:

🇵🇹 epitelial

🇮🇳 उपकला

🇩🇪 epthelial

🇮🇩 epitel

🇺🇦 епітеліальний

🇵🇱 nabłonkowy

🇯🇵 上皮の

🇫🇷 épithélial

🇪🇸 epitelial

🇹🇷 epitelyal

🇰🇷 상피의

🇸🇦 طلائي

🇨🇿 epithelární

🇸🇰 epiteliálny

🇨🇳 上皮的

🇸🇮 epitelijski

🇮🇸 þekjuvefs

🇰🇿 эпителиалды

🇬🇪 ეპითელური

🇦🇿 epitelial

🇲🇽 epitelial

Word origin

The term 'epithelial' originates from the Greek word 'epithelion', which means 'upon the nipple'. This historical context refers to the anatomical structures observed in ancient Greek medicine, where the term's roots were established in addressing the outer layers of the body, particularly in relation to skin and other surfaces. The prefix 'epi-' means 'upon', and 'thele' refers to 'nipple', denoting that this tissue primarily covers and protects various organs and surfaces. The use of the term 'epithelial' has evolved since its inception, particularly during the advancements in histology and tissue biology, allowing for a deeper understanding of its various forms and functions in contemporary medical science.

Word Frequency Rank

Position #8,922 indicates this is an advanced-level word. While not essential for basic communication, it will enhance your ability to understand and create more nuanced content.