palea

(redirected from paleae)
Also found in: Dictionary, Medical.
Related to paleae: lodicule

palea

[′pā·lē·ə]
(botany)
The upper, enclosing bract of a grass flower.
A chaffy scale found on the receptacle of the disk flowers of some composite plants.
(invertebrate zoology)
One of the enlarged flattened setae forming the operculum of the tube of certain polychaete worms.
References in periodicals archive ?
while the posterior (narrow) end projects slightly above the sediment surface so that the opercular paleae can be used to exeavate within the sediment (Wolf, 1984).
Furthermore, this species has ah opercular paleae, which can effectively close the entrante to the tube and may protect the worm from being eaten by predators (Hutchings, 2000).