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epithelium Definition

epi·theli·um (ep′i t̸hēlē əm)

noun pl. -·li·ums or -·lia

cellular tissue covering external body surfaces, as the epidermis, or lining internal surfaces, as hollow organs, vessels, etc.: it consists of one or more layers of cells with little intercellular material

Etymology: ModL < Gr epi-, upon + thēlē, nipple: see female

epithelium Usage Examples

Converse of object

  • stratify: Can you identify the stratified squamous epithelium lining the blind crypt?
  • call: The outer layer of skin is formed from cells called squamous epithelium.
  • keratinise: The outer surface has thin, lightly keratinised epithelium The vermillion border is red, because it is highly vascularised.

Converse of subject

  • line: Dermoid cyst is a loose term given to cysts are various sites lined by squamous epithelium.

Adjective modifier

  • squamous: The outer layer of skin is formed from cells called squamous epithelium.
  • bronchial: In asthma, the bronchial epithelium is often damaged, with shedding of the columnar cells into the airway lumen.
  • ciliated: As you go further up the nose, the lining becomes pseudostratified ciliated columnar epithelium.
  • cuboidal: This image opposite is of ducts in the kidney, which are lined by simple cuboidal epithelium.
  • glandular: This is a malignant neoplasm of glandular epithelium invading down into muscle.
  • olfactory: The picture on the cover shows a scanning electron micrograph of sensory neurons from the olfactory epithelium of an adult mouse.

Modifies a noun

  • cell: A non cancer swelling of the epithelium cells which form the outside layer of skin.
  • line: Tall columnar epithelium lines the ducts of many exocrine glands.

Noun used with modifier

  • columnar: Barrett's esophagus is where squamous epithelium is replaced with columnar epithelium.
  • airway: Cilia Video - Click on the link to see a video of airway epithelium with beating cilia.
  • pigment: Extensive or ' geographic ' atrophy of the retinal pigment epithelium, however, can result in marked visual acuity loss.
  • bladder: Conflicting results appeared to be obtained in in-vivo assays for effects on DNA in bladder epithelium, the target tissue of concern.
  • gut: The viruses colonize the gut mucosa and provoke antibody formation both in the blood stream and in the gut epithelium.
  • surface: Some more acute changes present in the surface epithelium.

Preposition: of

  • mucosa: Approximately half of the tumor area in case 1 and one-third in case 2 were occupied by hyperplastic squamous epithelium of the oral mucosa.
  • intestine: He has elucidated immune mechanisms that prevent invasion of the parasite into the epithelium of the intestine.

Browse dictionary entries near epithelium

  1. epithelioma
  2. epithelioid
  3. epithelial
  4. epithalamium
  5. epitaxy
  6. epitasis
  7. epitaph
  8. epistyle
  9. epistolary
  10. epistler
  1. epithelize
  2. epithet
  3. epitome
  4. epitomize
  5. epitope
  6. epizoic
  7. epizoon
  8. epizootic
  9. epizootiology
  10. EPO