sclerenchyma

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sclerenchyma

a plant tissue in which the cells have greatly thickened walls impregnated with LIGNIN, and no cell contents. The tissue has the mechanical function of supporting the plant, and consists of two types of cells: fibres and SCLEREIDS. fibres are long cells with tapered ends, which are often grouped into bundles.
References in periodicals archive ?
The sclerenchymatous strands on the upper surface are much shorter than strands on the lower surface.
Sclerenchymatous cells are observed at the borders only.
is characterised by a porous texture, patterning of sclerenchymatous tissue and lobate epidermal cells of the inner endocarp.
This study still includes: a) the discussion about the origin and differentiation of the sclerenchymatous tissue that occurs in dry fruits of Euphorbiaceae; and b) to evaluate whether the ovule and seed of this species present the basic characters of Acalyphoideae and Plukenetieae that were formulated by Tokuoka and Tobe (2003).
The middle mesocarp is sclerenchymatous with fibers oriented longitudinally or obliquely to the longitudinal axis of the fruit.
Hypodermis (H)###Jinhui-2###Four or five layers of closely spaced globular unidiomatic lignified sclerenchymatous cells###Fig.
2006), the labelling reads as follows: nuc--remains of the nucellus; ifl = remains of the inner fleshy layer (parenchymatous) layer (endotesta); scl = middle sclerenchymatous layer (sclerotesta; off--remains of the outer fleshy (parenchymatous) layer (sarcotesta).
The primary rachis is preserved for a length of 22 cm, and is 1 cm wide with longitudinal striations that represent medullosalean sclerenchymatous fibres (imparting strength to the frond structure).
These represent cortical sclerenchymatous fibres or bundles that are characteristic of younger medullosalean stems and axes, and played a supporting role (Stewart and Delevoryas 1956; Basinger et al.
parenchymatous sarcotesta, the middle sclerenchymatous sclerotesta
occur in stegmata overlying sclerenchymatous vascular bundle sheaths,
Vascular bundles are embedded in the mesophyll and supported by a sheath of sclerenchymatous fibers.