Standard Lemma guide

trophonema

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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Pronunciation

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1

noun

Meaning 1

Any of several glandular villi of the uterus of viviparous sharks which supply nutrient to the embryos

Definition source: English Wiktionary via Wiktextract

Examples

  • The trophonema consists of 50–60 trophocytes that maintain contact with <1% of the oocyte surface and forms a circular, bowel-shaped depression on the luminal surface of the gastrodermis as they sink into the mesoglea with the oocyte.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From tropho- + -nema (“filament”).