思想 发表于 2025-3-23 13:12:51

H. R. Hepburn,S. E. Radloffto the composition of semicircular anchoring fibrils provide the attachment to the papillary dermis underneath the lamina densa of the basement membrane. When molecules in hemidesmosomes or in the basement membrane zone become target of autoantibodies, a particular acquired subepidermal autoimmune b

祸害隐伏 发表于 2025-3-23 14:10:18

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悠然 发表于 2025-3-23 18:17:45

iva (30–60%), and less frequently, the nasal mucosa (20–40%), esophagus (5–15%), pharyneal (20%) or laryngeal mucosa (5–10%) and anogenital mucosa (25%). Clinical severity is highly variable in the different subtypes of MMP. Previously, the term cicatricial pemphigoid was used for MMP. Progressive s

Harass 发表于 2025-3-24 02:15:33

Colony Defense,atever the race, large, populous colonies are more aggressive and effective at nest defense than smaller ones. Finally, in any event, there is a high degree of unpredictability that has thus far frustrated a clear-cut ethological analysis.

pacifist 发表于 2025-3-24 06:07:24

Biogeographical Perspective,xtend from southern and eastern Africa over virtually the whole area below a line drawn from northern Angola to northwestern Ethiopia (Fig. 1.1). South of the equator the highlands are relieved by a generally narrow coastal margin below the great escarpment. The coast flares into an extensive plain

妨碍议事 发表于 2025-3-24 08:41:16

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Magisterial 发表于 2025-3-24 13:07:30

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Yourself 发表于 2025-3-24 18:51:31

Introgression and Hybridisation in Natural Populations,n of the genotype into continuous variation in the phenotype. Also, the presence of modifying genes holds great significance for populations because they may readily respond to selective pressures and thus provide a population with the flexibility needed to respond to changes in the environment (Wri

怪物 发表于 2025-3-24 19:34:13

Swarming, Migration and Absconding,The origins of these traits can be ascribed to differences in climate and predation pressure (Seeley 1985). The honeybee races of Europe have only brief periods favourable for swarming and the establishment of new colonies. Their massive food reserves are conserved and sustain the colonies over wint

作呕 发表于 2025-3-25 02:43:22

Mating and Fecundity,s because the phenomenon does not accord with the theoretical advantages that monandry appears to offer to fitness (Hamilton 1964). Nonetheless, Oldroyd .. (1997) have recently summarised the currently prevailing hypotheses in support of the idea that genetic variance, acquired through polyandry, si
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查看完整版本: Titlebook: Honeybees of Africa; H. R. Hepburn,S. E. Radloff Book 1998 Springer-Verlag Berlin Heidelberg 1998 Apikultur.Bienen.Entomologie.Insekten.Zo