trigone en · NOUN
Pronunciation
- /trɪˈɡəʊn/ (UK)
- /ˈtrʌɪɡəʊn/ (UK)
Etymology
From French trigone, from Latin trigōnum, from Ancient Greek τρῐ́γωνον (trĭ́gōnon). Doublet of trigon and trigonon.
Meanings
-
One of the thickenings of the cell wall at the angles where several cells join.
The epidermal cells of the capsule wall of Jubulopsis, with nodose "trigones" at the angles, are very reminiscent of what one finds in Frullania spp.
1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, pages 4-5:Leaf cells are about 25–30 μm, with thin walls and bulging trigones.
1992, Marie L. Hicks, Guide to the Liverworts of North Carolina, page 66:
- A smooth triangular area on the inner surface of the bladder, bounded by the apertures of the ureters and urethra; a similar region of a mitral valve
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| trigones | Number=Plur | lexicographic |