periderm

(redirected from periderma)
Also found in: Medical, Encyclopedia.

per·i·derm

 (pĕr′ĭ-dûrm′)
n.
The outer layers of tissue of woody roots and stems, consisting of the cork cambium and the tissues produced by it, such as cork.

per′i·der′mal, per′i·der′mic adj.

periderm

(ˈpɛrɪˌdɜːm)
n
(Botany) the outer corky protective layer of woody stems and roots, consisting of cork cambium, phelloderm and cork
[C19: from New Latin peridermis]
ˌperiˈdermal, ˌperiˈdermic adj

per•i•derm

(ˈpɛr ɪˌdɜrm)

n.
the cork-producing tissue of plant stems together with the cork layers and other tissues derived from it.
[1830–40; < New Latin peridermis. See peri-, -derm]
per`i•der′mal, per`i•der′mic, adj.

per·i·derm

(pĕr′ĭ-dûrm′)
The outer, protective layers of tissue of woody roots and stems, consisting of the cork cambium and the tissues produced by it. See more at cork cambium.
Mentioned in ?
References in periodicals archive ?
Casey, en el 2006, identifico en el modelo de raton altos niveles del receptor Notch1 activado durante el proceso de diferenciacion de las celulas del periderma lingual, maxilar, palatino y mandibular, desde E11.
A lignina e detectada em maior quantidade na parede secundaria das celulas, sobretudo das fibras, vasos e traqueideos do xilema, assim como tambem, em menor quantidade, no periderma, associado a suberina onde age como uma barreira contra patogenos (GUIMARAES et al.
Ademas se observo reduccion en el numero de yemas, aumento en el tamano de las lenticelas y formacion de "callosidad" sobre el periderma de los microtuberculos; al parecer estuvieron relacionados con concentraciones de los inductores de tuberizacion BAP/CCC, principalmente en la dosis alta (C5) o cuando se empleo solamente CCC (C3, C4 y C6).
La apoptosis ocurre solo en las celulas del periderma.