protoderm


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to protoderm: ground meristem

pro·to·derm

(prō'tō-derm),
The undifferentiated cells of very young embryos, from which the primordial germ layers will evolve.
[proto- + G. derma, skin]

protoderm

(prō′tə-dûrm′)
n. Botany
The primary meristem that gives rise to epidermis. Also called dermatogen.

pro′to·derm′al adj.
References in periodicals archive ?
The protoderm cell also develops a further polarity, in that a pre-prophase band of microtubules determines the site of cell plate formation (Gunning et al.
Trichoblasts in Sinapis alba (Peterson, 1967) and in Lepidium sativum (Volkmann & Peters, 1995) can be recognized very early in protoderm differentiation by their position overlying intercellular spaces in the cortex and by their abundance of cellular organelles; this latter feature was also noted in rice by Kawata and Chung (1979).
In addition to TrichoCyte, which induces new follicle formation, Intercytex is developing ProtoDerm, a bioactive that stimulates wound healing.
The somatic embryos formed on the Pierik medium containing 10 [micro]M of 2,4-D contained procambium and exhibited a welldefined delimitation of the protoderm layer (Figure 4E).