當(dāng)前位置:首頁 > 醫(yī)學(xué)知識 > 組織學(xué)與胚胎學(xué) > 正文

SUMMARY
基礎(chǔ)醫(yī)學(xué)

        Epithelialtissuesarecomposedofcloselyaggregatedpolyhedralcellswithverylittleextracellularsubstance.Animportantfeatureofepitheliaistheirpolarity:theyhaveafreesurfaceandabasalsurfacethatrestonthebasalmembrane.Sincebloodvesselsdonotnormallypenetrateanepithel    (共 1229 字)     [閱讀本文] >>

開通會員,享受整站包年服務(wù)立即開通 >