trophonema
trophonema noun: any of several glandular villi of the uterus of viviparous sharks which supply nutrient to the embryos.
Noun
trophonema (plural trophonemata)
- 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.
Forms of trophonema
| plural | trophonemata |
|---|
Origin of trophonema
From tropho- + -nema (“filament”).
Questions about trophonema
- What does trophonema mean?
- Trophonema means any of several glandular villi of the uterus of viviparous sharks which supply nutrient to the embryos.
- What part of speech is trophonema?
- Trophonema is a noun.
- What is the plural of trophonema?
- The plural of trophonema is trophonemata.
Words near trophonema in the dictionary
Source and license
Adapted from Wiktionary: trophonema (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “trophonema.” Word.ws, https://word.ws/trophonema. Based on Wiktionary, CC BY-SA 4.0.
