vallecular

English

Etymology

From vallecula +‎ -ar, derived from diminutive of Latin valles (“valley”).

Adjective

vallecular (comparative more vallecular, superlative most vallecular)

1. (medicine) grooved; pertaining to a vallecula.
2. (botany) A channel between the nodes of the stem of some species of Equisetum.
   • 2011 July 12, “An extensin-rich matrix lines the carinal canals in Equisetum ramosissimum, which may function as water-conducting channels”, in Annals of Botany, →DOI:

     A transverse section of the internode shows a pattern of sub-epidermal strengthening tissue and chlorenchyma, vallecular canals in the cortex opposite the furrows, and carinal canals opposite the ridges.

References

• Vallecular, Dorland's Illustrated Medical Dictionary, 2004. WB Saunders, an Elsevier imprint.