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Aerenchyma or aeriferous parenchyma [1] or lacunae, is a modification of the parenchyma to form a spongy tissue that creates spaces or air channels in the leaves, stems and roots of some plants, which allows exchange of gases between the shoot and the root. [2]
Aerenchyma is a spongy tissue that forms spaces/air channels in the leaves, stems, and roots of halophytic plants (Santos et al., 2016). The presence of aerenchymatic tissues helps in exchange of gases between the shoot and the root systems.
Aerenchyma is the term given to plant tissues containing enlarged gas spaces exceeding those commonly found as intracellular spaces. It is formed in the roots and shoots of wetland species and in some dryland species in adverse conditions, either constitutively or because of abiotic stress.
…a type of tissue called aerenchyma, which contains air spaces produced by separation, tearing, or dissolution of the cortex cell walls. Cortical cells in herbaceous stems, young woody stems, and stems of succulents (cacti and other fleshy plants) contain chloroplasts and can therefore convert carbon dioxide and water to simple…
The meaning of AERENCHYMA is modified parenchymatous tissue having large intracellular air spaces that is found especially in aquatic plants where it facilitates gaseous exchange and maintains buoyancy.
Here, we summarize the characteristics of primary aerenchyma (schizogenous and lysigenous aerenchymas) and secondary aerenchyma types, and present recent advances in understanding the mechanisms of lysigenous aerenchyma formation.
Large air spaces (aerenchyma) are often found in the cortex and/or pith of stems and roots and the bark of some plants. Aerenchyma begins as small spaces between cells and then progresses through one of the three developmental paths: schizogeny, lysigeny, and expansigeny.
Lysigenous aerenchyma is a gas space created by cortical cell death that enables efficient oxygen diffusion within plants and reduces the energy costs associated with root cells.
Aerenchyma is a key tissue in plant survival and stress tolerance. It develops in plants under different environmental situations; waterlogging, drought, nutrient starvation and exposure to potentially toxic elements are some examples of these factors.
Aerenchyma is a type of tissue comprising a prominent intercellular space that facilitates gas diffusion throughout an organ. This tissue is observed in plants adapted to wetland conditions, in both monocots and dicots, roots and shoots.