981 resultados para Ore Body Formation


Relevância:

20.00% 20.00%

Publicador:

Resumo:

Magdeburg, Univ., Fak. für Verfahrens- und Systemtechnik, Diss., 2014

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Magdeburg, Univ., Med. Fak., Diss., 2014

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Otto-von-Guericke-Universität Magdeburg, Fakultät für Elektrotechnik und Informationstechnik, Univ., Dissertation, 2015

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Otto-von-Guericke-Universität Magdeburg, Fakultät für Naturwissenschaften, Dissertation, 2016

Relevância:

20.00% 20.00%

Publicador:

Resumo:

n.s. no.68(1992)

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Body color polymorphism of urban populations of cosmopolite fly Drosophila kikkawai Burla, 1954 was investigated in relation to its possible association with environmental temperature. Samples of D. kikkawai were collected in spring, summer, autumn and winter between 1987 to 1988, in zones with different levels of urbanization in the southern Brazilian city of Porto Alegre, Rio Grande do Sul. A clear association was observed between darker flies and both seasons with low temperatures and areas of low urbanization (where temperature is generally lower than in urbanized areas). Results of preliminary laboratory experiments involving six generations of flies grown in chambers at temperatures of 17º and 25ºC confirmed this tendency to a relationship between body color and temperature, with allele frequency of the main gene involved in body pigmentation changing over time.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

The distribution and morphology of fat body of Brazilian diplopod Rhinocricus padbergi Verhoeff, 1938 are analyzed by scanning electron microscopy and histology. A terminology is proposed for description of the diplopods fat body.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Workers of Melipona quadrifasciata anthidioides (Lepeletier, 1836) develop their ovaries and lay eggs, therefore the production of vitellogenin is expected. In electrophoretic profiles only fat body extracts from nurse workers and ovary extracts from newly-emerged workers show protein with molecular mass similar to vitellogenin. However, an increase in the protein content was detected in forager fat body. This increase was attributed to storage of vitellogenin or other proteins in the previous phase and not discharged into the hemolymph or to an effect of the increased titre of juvenile hormone in this phase of worker life over the fat body functioning.