sieve element

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Related to sieve elements: sieve tube, Sieve cell, Sieve plates

sieve element

n.
One of the food-conducting cells of phloem in vascular plants; a sieve cell or a sieve-tube element.
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Aside from the total time of penetration in the sieve elements with saliva secretion (E1) and sap ingestion (E2), the xylem elements (G) were the central interest in this study.
004), but the time to first sieve elements with sap ingestion (E2) was not significantly different (U = 299, P = 0.
Tjallingii (1990) suggested that the E1e waveform might represent the watery salivation activity that normally occurs during E1 in sieve elements.
In-cab adjustment of the chaffer's louver opening and the sieve elements is also included on the self-leveling shoe system.
Sieve plates are scalariform, showing radial and tangetial distribution in sieve elements and a high staining reaction for cellulose and hemicellulose.
This cells are surrounding the sieve elements and tend to form bands slightly dilated as far as 610 [micron]m from the vascular cambium.
The arrangement of axial parenchyma, rays, fibres and periderm follow the pattern proposed by Furuno (1990), in which small axial parenchyma bands alternate with fibre bands or sieve elements, except in C.
Living material is a prerequisite for fixation of sieve elements and the eventual investigation of their plastids with the transmission electron microscope.
An ontogenetic study of phloem in Saruma, comparing differentiating and mature sieve elements (Fig.
The water enters through the center of the screen, turns 90 degrees, passes through the stainless steel sieve elements, and exits through the sides of the unit.
It replaced the old term "slime," which had been used for the proteinaceous content of the sieve elements since the earliest research on phloem.
The new material sent to Esau from the USDA Station in Salinas contained exceedingly small virus particles, 16 nm in diameter [smaller than the ribosomes (20 nm)], in nuclei of parenchyma cells bordering on one or more sieve elements (Hoefert et al.