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Definition of diaplex

diaplex

/ˈdaɪ.əˌplɛks/
di · a · plex
Plural:diaplexes
•
Adjective:diaplexal
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diaplex Lexical Profile

• noun

1

The choroid plexus of the third ventricle of the brain, an intricate network of blood vessels and cells that produces cerebrospinal fluid.

Example

"During the neuroanatomical dissection, the students carefully isolated the diaplex to study its role in cerebrospinal fluid circulation."

Synonyms
View all synonyms for diaplex

Word Nuance & Usage

An archaic anatomical term; modern medical literature typically prefers the descriptive phrase 'choroid plexus of the third ventricle'.

• Nearby Words

dianthus
diaper
diaphragm
diaplex
diarist
diarrhea
diarrheal

Word Origin & Etymology

Coined in the late 19th century by American comparative anatomist Burt G. Wilder, formed by combining 'dia-' (referring to the diencephalon) and '-plex' (a contraction of plexus, from Latin 'plexus' meaning braid or network).

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Diaplex. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/diaplex
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