auxin
['ɔksɪn]
n. 植激素

[] 茁素(植素)

[医] 茁素

1. Polar auxin transport is severely controlled in plants.
   素植体通性运输输送,运输程严调控程。
2. It is suggested that flavonoids act as negative regulators of auxin transport in vivo.
   植体广泛存黄酮质影响素运输,素运输起调控。
3. An auxin increases the growth in length of a plant cell, thus causing the curving of a stem, or roof, in phototropism and geotropism.
   植素快植胞势，使茎弯着，使根深扎土。

auxin
[ noun ]
a plant hormone that promotes root formation and bud growth
<noun.substance>




auxin \aux"in\ n.
1. a substance which, in small concentrations, promotes root
formation, bud growth, or certain other processes such as
fruit ripening or leaf drop in plants.
[WordNet 1.5 +PJC]