Share this entry
sieve plate Line breaks: sieve plate

Definition of sieve plate in English:


1 Botany An area of relatively large pores present in the common end walls of sieve tube elements.
Example sentences
  • Between each sieve cell lies a sieve plate with small pores.
  • Sieve elements close to the cambium were identified by aniline blue fluorescence of their sieve plates (open arrowheads) and were positive for serpins.
1.1 Zoology A perforated plate in the integument of an invertebrate, especially the madreporite of an echinoderm.
Example sentences
  • One of the genital plates serves as the sieve plate, or madreporite, for the water vascular system.
  • In addition it has a sieve plate, or cribribulla, at the expanded base of each exaulos tube, structures not present in these Ordovician sponges.
Definition of sieve plate in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources