Dictionary definition: rhizoid

Article: Gravitropism in the rhizoids of the alga Chara: a model ...
The Biological Bulletin;  February 1, 1997 ;     700+ words ... ... However, the rhizoid (a rootlike extension ... organisms. Chara rhizoids have a distinctive ... root hairs, these rhizoids can be characterized ... 1979). The Chara rhizoid is an ideal single ... But, in Chara rhizoids, the membrane ... located close to the rhizoid apex appear to serve ...

Article: How to Activate a Plant Gravireceptor. Early Mechanisms of ...
Plant Physiology;  October 1, 2005 ;     700+ words ... ... gravity sensing were investigated in rhizoids of Clinra globularis under microgravity ... sedimentation and gravisensing to occur. When rhizoids were gravistimulated during parabolic ... evidence that graviperception in characean rhizoids requires contact of statoliths with membrane ...

Article: Spatiotemporal patterning of reactive oxygen production and Ca2+ ...
Plant Cell;  October 1, 2002 ;     700+ words ... ... celled Fucus serratus embryos comprise a polarized growing rhizoid cell and a thallus cell and experience regular and dramatic ... transient increases of Ca^sup 2+^ that initiate in the apical rhizoid region (Taylor et al., 1996), and the spatiotemporal patterns ...

Article: The influence of gravity and light on developmental polarity of ...
The Biological Bulletin;  February 1, 1997 ;     700+ words ...The gametophyte generation of Ceratopteris ... of the primary rhizoid, when it emerges ... and secondary rhizoid growth in the ... growth of secondary rhizoids follows the same ... of the primary rhizoid, no matter how ...

Article: Bryophytes
Plant Sciences;      700+ words ... ... life cycle is the haploid , gametophyte generation rather than the diploid sporophyte ... reddish-brown multicellular rhizoids emerge from the stem to anchor ... are absorbed, not by the rhizoids, but rather by the thin ... simple thalloid forms Absent Rhizoids Brown, multicellular Hyaline ...

Encyclopedia entry: Bryophyta
The Columbia Encyclopedia, Sixth Edition;      700+ words ... ... bryophyte is the haploid, or gametophyte , generation of the plant life cycle ... threadlike structures called rhizoids. The leaflike structures and the rhizoids lack the complex internal ... the branches produce rhizoids, the protonema dies ...

Article: Auxin regulates lateral meristem activation in developing ...
Canadian Journal of Botany;  October 1, 2006 ;     700+ words ... ... Auxin also controls the position of rhizoids produced by the gametophyte, and ... necessary for the development of the gametophyte generation of mosses, since it controls the ... formation (Cove et al. 2006). The gametophyte generation of the homosporous fern C. richardii ...