Changes in distribution density,morphology and secretory content of endocrine cells in the gastro-entero-pancreatic system of black-spotted frogs Rana nigromacu
Bactericidal/permeability-increasing protein(BPI)and LPS-binding protein(LBP)play an important role in host defence.Current evidence shows that BPI/LBP may be w
<正> Although concerns about harvesting levels of the American Horseshoe Crab,Limulus polyphemus have prompted increasedresearch into its ecology,current unders