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pro vyhledávání: '"Armand T. Whitehead"'
Autor:
Armand T. Whitehead
Publikováno v:
Journal of morphology. 135(4)
The salivary gland of Periplaneta americana (L.) is innervated from both the stomatogastric nervous system (SNS) and subesophageal ganglion (SEG). Methylene-blue preparations, histological sections and electron microscopy revealed a pair of nerves fr
Autor:
Joseph R. Larsen, Armand T. Whitehead
Publikováno v:
Journal of Insect Physiology. 22:1609-1616
Using conventional electrophysiological methods, the galeal sensilla chaetica of the honey bee, Apis mellifera, responded linearly to the log of solute concentrations of sucrose, glucose, fructose, NaCl, KCl, and LiCl but not to CaCl2 or MgCl2, which
Autor:
Armand T. Whitehead
Publikováno v:
International Journal of Insect Morphology and Embryology. 10:19-28
The objective of this study is to provide a morphological foundation for electrophysiological studies on the sensilla of D. ponderosae. The sensilla on the antennae, labial and maxillary palps, galeae and fore-tarsi are described. The antennal club h
Autor:
Armand T. Whitehead
Publikováno v:
Physiological Entomology. 3:241-248
The sensilla chaetica on segments II, III and IV of honey-bee labial palps were investigated electrophysiologically. The responses (spikes/s) correlated with the log of the concentrations of sucrose, glucose, fructose, NaCl, KCl and LiCl, but not wit
Autor:
Armand T. Whitehead
Publikováno v:
Journal of Insect Physiology. 19:1961-1970
Application of 5-hydroxytryptamine to the gland in vitro in concentrations as low as 10 −12 M effected continuous secretion of fluid. This suggests that 5-HT or a related compound may be the neurotransmitter substance. In vivo injections of p -chor
Autor:
Armand T. Whitehead
Publikováno v:
Journal of chemical ecology. 12(7)
Electroantennograms (EAGs) were obtained forD. ponderosae to the bark beetle pheromonestrans-verbenol,cis-verbenol,exo-brevicomin,endo-brevicomin, frontalin, verbenone; to the kairomones, α-pinene, β-pinene, camphene, Δ-3-carene, limonene, myrcene
Publikováno v:
Journal of chemical ecology. 15(7)
Electroantennograms (EAGs) were recorded fromD. ponderosae to the enantiomers of the terpenoid bark-beetle pheromonestrans-verbenol,cis-verbenol, verbenone, and the bicyclic ketals frontalin,exo-brevicomin, andendo-brevicomin. Male and female respons