trophonema

T1R1O1P3H4O1N1E1M3A1

noun

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

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Meanings

nountrophonema (plural trophonemata)

plural trophonemata

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

    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.

Origin

From tropho- + -nema (“filament”).

Full word history & related roots →

Rhymes & wordplay

Anagrams

Roehamptonhomopteran
Cite this entry
APA

trophonema. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/trophonema

MLA

“trophonema.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trophonema. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “trophonema,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/trophonema.

Source: trophonema on Wiktionary, CC BY-SA 4.0.