Meanings
- not comparablefivefold (of a symmetry group)
1 more example
All echinoderms share the following characteristics: (a) a pentameral radial symmetry in adults, imposed on a bilateral larval symmetry, (b) a unique water vascular or “ambulacral” system, comprising a network of fluid-filled canals, that serves functions in feeding, gas exchange, and also in locomotion, and (c), a stereom, a mesh-like endoskeleton comprised of calcite (calcium carbonate) plates and pores covered by a thin epidermis [20 ].
2015 August 7, “Phylogeny of Echinoderm Hemoglobins”, in PLOS ONE, →DOI
Cite this entry
pentameral. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pentameral
“pentameral.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pentameral. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “pentameral,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pentameral.
Source: pentameral on Wiktionary, CC BY-SA 4.0.