Sieve Plates: Pores in the end walls of sieve elements that connect the sieve elements together. The end walls of sieve tube cells that are perforated (sieves).

 

Related Words

Sieve Plates: Pores in the end walls of sieve elements that connect the sieve elements together. The end walls of sieve tube cells that are perforated (sieves).

Sieve Tube Members: Phloem cells that form long sieve tubes. See sieve elements.

Tectonic Plates: Segments of the lithosphere that comprise the surface of the Earth much the way a turtle shell is composed of its plates.

Sieve Elements: Tubular, thin-walled cells that form a system of tubes extending from the roots to the leaves in the phloem of plants; lose their nuclei and organelles at maturity, but retain a functional p . . . View Full Definition

Sieve Cells: Conducting cells in the phloem of vascular plants. See sieve elements

Dry Plates: Term used to describe gelatin coated plates in the days when wet collodion process was still popular.

Molecular Sieve: A material that contains many small cavities interconnected with pores of precisely uniform size. Zeolites are an example. Molecular sieves adsorb molecules that are small enough to pass thr . . . View Full Definition

Plates: Early photographic glass plates coated with emulsion.

Antiscreen Plates: Photographic plates containing dyes that reduce the blue sensitivity. Used unfiltered, they can give results similar to those obtained with yellow filtered orthochromatic plates.