the nutritive tissue surrounding the embryo in certain seeds, and developing from the nucellus of the ovule
Derived forms
perispermal (ˌperiˈspermal) or perispermic (ˌperiˈspermic)
adjective
Examples of 'perisperm' in a sentence
perisperm
Three compartments can be distinguished within the mature seed: embryo, endosperm, and perisperm.
Hernán Pablo Burrieza, María Paula López-Fernández, Sara eMaldonado 2014, 'Analogous reserve distribution and tissue characteristics in quinoa and grass seedssuggest convergent evolution', Frontiers in Plant Sciencehttp://journal.frontiersin.org/Journal/10.3389/fpls.2014.00546/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
It has perisperm and an endosperm residue.
Sonia Maciel da Rosa, Luiz Antonio Souza 2003, 'Morfo-anatomia do fruto (hipanto, pericarpo e semente) em desenvolvimento de Pereskiaaculeata Miller (Cactaceae) - DOI: 10.4025/actascibiolsci.v25i2.2046 Morphologyand anatomy of the fruit (hypanthium, pericarp and seed) development of Pereskiaaculeate Miller (Cactaceae)', Acta Scientiarum : Biological Scienceshttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/2046. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Residual aflatoxins in the perisperm ranged from 80% up to 100%.
Ilenia Siciliano, Barbara Dal Bello, Giuseppe Zeppa, Davide Spadaro, Maria LodovicaGullino 2017, 'Static Hot Air and Infrared Rays Roasting are Efficient Methods for Aflatoxin Decontaminationon Hazelnuts', Toxinshttp://www.mdpi.com/2072-6651/9/2/72. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The outer cells of the integument, however, multiply actively, giving rise to the "perisperm".
A. J. T. Mendes 1942, 'Observações Citológicas em coffea: VI Desenvolvimento do embrião e do endosfermaem Coffea Arabica l.', Bragantiahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87051942000400002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The majority of perisperm cells are living and appear to be metabolically active in the periphery.
RAYANE C. DOS SANTOS, LEONARDO M. RIBEIRO, MARIA OLÍVIA MERCADANTE-SIMÕES, MÁRCIAR. COSTA, SILVIA NIETSCHE, MARLON C.T. PEREIRA 2014, 'Stenospermy and seed development in the “Brazilian seedless” variety of sugar apple(Annona squamosa)', Anais da Academia Brasileira de Ciênciashttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000402101&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In the ripe seed the "perisperm" disappears almost completely: its remains form the thin "silver skin" which envelops the endosperm.
A. J. T. Mendes 1942, 'Observações Citológicas em coffea: VI Desenvolvimento do embrião e do endosfermaem Coffea Arabica l.', Bragantiahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87051942000400002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)