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Pheromones
The concept of internal secretion may be traced back to Claude Bernard who, about a century ago, first used the term to describe some aspects of the...
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Das Cytoplasma
When living plant protoplasm is observed with a microscope, the protoplasmic inclusions—nuclei, plastids, mitochondria, ergastic droplets, and other...
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Anthocyanins, flavones, xanthones
The flavonoid compounds, such as anthocyanins, flavones, flavonols, flavanones and leuco-anthocyanins, form an important group of pigments widely...
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Pectin methyl esterase activity of root exudates of legumes in relation to Rhizobia
Seven different legumes were grown aseptically and in the presence of homologous and heterologous rhizobia in the root region. Samples of root...
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A transition state theory approach to the kinetics of conductance changes in excitable membranes
The kinetics of ionic current mechanisms in excitable membranes are analyzed. It is assumed that there are voltage-dependent reactions occurring in...
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Microchemical studies on glycosaminoglycans and calcium in autologous costal cartilage transplanted to an osteochondral defect on the femoral head of adult rabbits
In adult rabbits, a transplant was made to an osteochondral defect on the femoral head measuring 3×4×3 mm of autologous costal cartilage which had...
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Datura innoxia— a potential commercial source of scopolamine
The drug scopolamine is important, among other uses, as a pre-anesthetic in surgery and childbirth, in ophthalmology and in prevention of motion...
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The development of root hairs in angiosperms
The study of root hairs and the superficial cells from which they arise has attracted many workers, partly no doubt because of their absorptive...
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Histochemistry of Carbohydrates in the Intercellular Space
The intercellular space of various connective tissues is characterized — among others — by the presence of several types of macromolecular...
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Neurohistochemistry
The critical interdependence of structure and function in neuronal units and assemblies has made neurological applications of the principles and...
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Cytochemical Methods
Two major divisions of approach to the identification of cell constituents may be distinguished: 1) the attempt to show the localisation of...
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