Meanings
nounpentasternum (plural pentasterna)
plural pentasterna
- arachnologyThe third sclerite of a segmented sternal complex.
Sternum (Fig. 3): Tri-segmented with all segments sclerotized and convex. […] Third segment (pentasternum) rounded, with 1 upper pair of strong setae and several setulae encircling the base (in some specimens the upper pair of setae is similar in size to 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
pentasternum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/pentasternum
MLA
“pentasternum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pentasternum. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “pentasternum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/pentasternum.
Source: pentasternum on Wiktionary, CC BY-SA 4.0.