pneumatode

词形变化

pneumatodes 复数 pneumatodes

释义与例句

n.
  1. 1.

    A group of cells with spiral secondary wall thickenings, present in a velamen; acts as an airway for gas exchange for respiration or photosynthesis

    生物 植物学
  2. 2.

    A group of cells presumed to be specialised as an airway for ventilation of particular tissues.

    生物 植物学

词源

From Ancient Greek πνεῦμα (pneûma) (breath) and ὁδός (hodós) (pathway)

来源：wiktionary