Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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The biological changes underlying the transition process from gingival health to early
inflammatory changes involve local increase in vascular permeability, edema and the
recruitment and activation of polymorphonuclear neutrophils (PMN) (Delima and Van
Dyke 2003). Acquired immune response becomes involved once antigen-presenting cells
interact with immunocompetent cells, such as T and B lymphocytes, leading to the
expansion of antibody-secreting plasma cells and the development of the chronic lesion
(Gemmell and Seymour 2004). Bacterial–host interactions at the biofilm–periodontium
interface trigger the synthesis of cytokines and other inflammatory mediators that promote
the release of enzymes and bone-associated molecules that finally induce the alterations of
the connective tissue metabolism and the destruction...
Nội dung trích xuất từ tài liệu:
New English File Pre-Intermediate (2005) SB
