periclinal


Also found in: Dictionary, Encyclopedia, Wikipedia.

periclinal

(of planes of cell division in plants) parallel to the surface of the plant.
References in periodicals archive ?
AL: starch; B: bract; BE: spiral border; CA: calcified layer; CC: coronula cells; CL: chloroplasts; CT: oospora central cell; CE: spiral cells; CES: sterile oosporangium cell; CMO: oospora mother cell; CN: nodal cell; CP: pedicel cell; NUC: nucleus; OSF: oospora; PA: anticlinal wall; POC: compound oosporangial wall; PP: periclinal wall; PPC: spiral cells primary wall; PPO: oospora primary wall; V: vacuoles.
A cross-sectional cut showed the uneven and progressive thickening of the periclinal and anticlinal cell wall divisions towards the inner portion.
SEM showed reticulate surface pattern with regular to irregular polygonal, epidermal cell shape varies from isodiametric, raised, straight; smooth anticlinal cell walls and flat to concave: macro-reticulate periclinal cell walls "Figure 3A and B".
The unistratified epidermis, composed ofjuxtaposed cells and varied forms, presented a thickening in the periclinal and anticlinal walls, which was also extended to the first and second layers of the cortex (Figure 2G, 2K).
The cuticle is usually thick and the epidermal cells have thin outer periclinal walls.
The archesporial cell in the nucellus formed a primary parietal cell by periclinal cell divisions (Fig.
3) with slightly observable periclinal stratification as a remnant of superficial facies of a scoria cone produced by a Strombolian eruption (e.
A nervura central proxima a face abaxial apresenta celulas epidermicas, em formato ligeiramente alongado no sentido periclinal, passando a seccoes de menor lumen e paredes mais espessadas (Figura 4B).
2] folds have periclinal fold axes that split or die out along the hinge line and are doubly plunging, which most likely causes the variable plunge of [F.
Sections of leaves from plants cultivated in the greenhouse showed the layer of palisade cells well-organized and some of these cells underwent periclinal division; well-developed cuticle; presence of idioblasts containing crystals (Figure 3).