trigone
nounUK /trɪˈɡəʊn/
Etymology From French trigone, from Latin trigōnum, from Ancient Greek τρῐ́γωνον (trĭ́gōnon). Doublet of trigon and trigonon.
1
Biology, Botany, Natural sciences One of the thickenings of the cell wall at the angles where several cells join.
- 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:
- 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:
- Derived terms
- trigonitis
- Related terms
- trigonal