منابع مشابه
Mechanics of climbing and attachment in twining plants.
Twining plants achieve vertical growth by revolving around supports of different sizes on which they exert a pressure. This observation raises many intriguing questions that are addressed within the framework of elastic filamentary structures by modeling the stem close to the apex as a growing elastic rod. The analysis shows that vertical growth is achieved thanks to discrete contact points and...
متن کاملTensioning the helix: a mechanism for force generation in twining plants.
Twining plants use their helical stems to clasp supports and to generate a squeezing force, providing stability against gravity. To elucidate the mechanism that allows force generation, we measured the squeezing forces exerted by the twiner Dioscorea bulbifera while following its growth using time-lapse photography. We show that the development of the squeezing force is accompanied by stiffenin...
متن کاملEdward Wing Twining, 1887-1939.
Edward Wing Twining (Fig 1) generally is regarded as the “father” of British neuroradiology. Born on March 18th 1887, he came from a line of doctors, his grandfather and father being in family practice at Salcombe, Devon, in the south of England. He was educated at Epsom College and University College Hospital where he qualified in medicine in 1913. As a student dresser (medical student on a su...
متن کاملProteomic studies in plants.
Proteomics is a leading technology for the high-throughput analysis of proteins on a genome-wide scale. With the completion of genome sequencing projects and the development of analytical methods for protein characterization, proteomics has become a major field of functional genomics. The initial objective of proteomics was the large-scale identification of all protein species in a cell or tiss...
متن کاملStudies on Ethnobotany of important medicinal plants in Sistan.
Background & Aim: Medicinal plants, Since time immemorial, have been used in virtually all cultures as a source of medicine and ethnobotany has prevent to be a valuable method to find new herbal medicine and plant derived drugs. Material & Methods: This study determined medicinally important plants that are most frequently by the local inhabitants of Sistan to treat human diseases. In current ...
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ژورنال
عنوان ژورنال: Botanical Gazette
سال: 1919
ISSN: 0006-8071
DOI: 10.1086/332581