Definition of periclinal in English:
1(Of a cell wall) parallel to the surface of the meristem.
- Guard-cell walls parallel to the root surface are considered periclinal.
- Superficially it appears to be a periclinal chimera with a chlorophyll-deficient mutation in the second layer of the meristem.
- Ornamentation of the periclinal walls could be used to discriminate four morphological types.
1.1(Of cell division) taking place by the formation of periclinal walls.
- In a number of species, regardless of their wall formation type, new periclinal cell divisions may occur when the tapetum differentiates.
- Most parenchyma cells continue to divide by periclinal divisions.
- This process is initiated by anticlinal and periclinal divisions of a few callus cells only.
Late 19th century: from Greek periklinēs 'sloping on all sides', from peri- 'around' + klinēs 'sloping' (from the verb klinein).
- Example sentences
- Because the aleurone cells continue to divide periclinally in the developing cereal endosperm the youngest cells are present in the sub-aleurone layer and the oldest cells in the central part of the endosperm.
- The hypodermis is initiated by a separate layer of initials within the apical meristem that divides periclinally at least once to produce a biseriate to multiseriate zone of cells under the epidermis.
- In the basic type of wall formation, all the cells in the secondary parietal layers divide once periclinally, forming four new layers.
Definition of periclinal in:
- British & World English dictionary
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