Definición de pulvinus en inglés:

pulvinus

Silabificación: pul·vi·nus
Pronunciación: /pəlˈvīnəs, -ˈvēnəs
 
/

sustantivo (plural pulvini /-ˌnī, -nē/)

Botany
An enlarged section at the base of a leaf stalk in some plants that is subject to changes of turgor, leading to movements of the leaf or leaflet.
Más ejemplos en oraciones
  • Leaves move by means of turgor pressure changes at the pulvinus at the base of each lamina.
  • Soluble proteins were extracted from gravistimulated pulvini and subjected to protein phosphorylation reactions.
  • The ion flux occurs within seconds after gravistimulation and establishes pH gradients across roots and maize pulvini.

Origen

mid 19th century: from Latin, literally 'cushion'.

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