Meanings
nountetrasternum (plural tetrasterna)
plural tetrasterna
- arachnologyThe second sclerite of a segmented sternal complex.
Sternum (Fig. 3): Tri-segmented with all segments sclerotized and convex. […] Second segment (tetrasternum) rounded, with 1 upper pair of strong setae and several setulae encircling the base (in some specimens the upper pair of setae do not differs in size from the basal setae).
2014 August 1, Ana Caroline O. Vasconcelos, Alessandro P. L. Giupponi, Rodrigo L. Ferreira, “A new species of Charinus from Minas Gerais State, Brazil, with comments on its sexual dimorphism (Arachnida: Amblypygi: Charinidae)”, in The Journal of Arachnology, volume 42, number 2, →DOI, page 156
Origin
Cite this entry
APA
tetrasternum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/tetrasternum
MLA
“tetrasternum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tetrasternum. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “tetrasternum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/tetrasternum.
Source: tetrasternum on Wiktionary, CC BY-SA 4.0.