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pro vyhledávání: '"Helen H. Benford"'
Autor:
Helen H. Benford, James T. Bradley
Publikováno v:
Journal of Insect Physiology. 32:109-116
The timing of in vivo induction of vitellogenin synthesis in the house cricket, Acheta domesticus (L.), was examined using an immunodiffusion assay with an estimated sensitivity of 6.3 μg vitellogenin/ml haemolymph. The time course of vitellogenin a
Publikováno v:
The Journal of experimental zoology. 191(1)
Drastic alterations in neural morphogenesis can be induced by ultraviolet irradiation of the amphibian egg. The target area of U.V. was determined either by direct irradiation of various regions of the egg or by comparing the area of the U.V. hit wit
Autor:
Marion Namenwirth, Helen H. Benford
Publikováno v:
Developmental biology. 39(1)
When freshly spawned axolotol eggs are heated at 35–36°C for 10 min, a very distinct gray crescent forms immediately in the equatorial region of the egg. In control embryos the crescent does not appear until 4–6 hr after insemination, and remain