Meanings
nounadventitia (countable and uncountable, plural adventitias)
plural adventitias
- countableuncountableanatomyThe outermost layer of epithelial tissue encasing a visceral organ.
Synonyms & antonyms
nounan enveloping or covering membrane or layer of body tissue
Broader
membranetissue layer
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Latinadventitius“extraneous”
- Englishadventitia
From the Latin adventitius (“extraneous”).
More words from Latin
Full word history & related roots →Translations
Indonesian adventisia
- adventisialayer encasing a visceral organ
Polish przydanka, błona zewnętrzna
- przydankalayer encasing a visceral organ
- błona zewnętrznalayer encasing a visceral organ
Portuguese adventícia
- adventícialayer encasing a visceral organ
Cite this entry
APA
adventitia. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/adventitia
MLA
“adventitia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/adventitia. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “adventitia,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/adventitia.
Source: adventitia on Wiktionary, CC BY-SA 4.0.