exodermis


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exodermis

a layer of cortical cells, with suburized walls, that replaces the piliferous layer in the older parts of roots.
References in periodicals archive ?
3, data clearly indicates the existence of high exodermal cell area and exodermis thickness in H.
The roots of the Chilean palm exhibit in their outer section a solid cork that replaces the rhizodermis, exodermis structures, and the outside bark area, while its inner bark area consists of thick homogeneously distributed fibers and a solid hollow cylinder formed by brachysclereids (Seubert 1998b).
Four layers of parenchyma cells are usually present in the cortex (Figure 2A), but lacking the exodermis with suberin; the endodermis is present (Figure 2A), but without evident Casparian strips.
Optimum concentration of nutrients and heavy metals delayed the entry of metals into the roots by stimulating a lignified exodermis and thereby subsidized to a higher metal tolerance (Cheng et al.
The endodermis and exodermis are important as root apoplastic barriers protecting roots to shoots from soil pollutants and pathogen flux (Hameed et al.
2013), comunicaron un incremento en el espesor y la lignificacion de la exodermis y del numero de espacios intercelulares en corteza en Brachiaria decumbens Stapf, causado por el aumento en la salinidad.
addition by two analogous layers of such pumps in the exodermis.
La exodermis conserva la humedad dentro de la raiz y crea un microclima con condiciones adecuadas para el desarrollo de las larvas y el crecimiento de hongos.
brizantha respectivamente, fue asociada con el mecanismo de exclusion determinado por la barrera apoplastica de exodermis multiseriada de la raiz y el desarrollo de la banda de Caspary, que controla el acceso apoplastico de iones, mientras que en genotipo susceptible a aluminio, B.
The authors conclude that in dry environments, the canopy contains numerous layers of thick cells, whereas in humid environments, the canopy presents fewer layers of cells, and the exodermis shows higher numbers of idioblasts in plants treated with at least 50% urea (Figure 2B).
In Pontederia cordata, the epidermisprobably disrupts with the ripening of the organ, staying with an exodermis with subtle thickening of the tangential external walls (Figure 4D and E).
The short culms separated are composed of exodermis (bark), vascular bundle sheaths, soft tissue cells and endodermis (inner surface layers).