- tubule












小管, 細管
小管, 細管
tubule n. 小管, 細管 ...
橫斷管(transverse tubule)簡稱T管(T tubule),是由肌纖維膜開始,包圍肌原纖維至肌漿網的細的橫斷小管。是興奮收縮關連的媒介,呈平坦袋狀,長徑15—50纖米,短徑3—5纖米。在兩個...
集合管在集合管下行過程中不斷匯合成較大的管,約經7次匯合後接於乳頭管。乳頭管直徑達0.2~0.3mm開口於篩區。集合小管管徑由細...
集合管 功能quantasome光能轉化體quantitative連續變異quantitativeanalysis定量分析quantitat...
髓袢分為髓袢降支粗段(近直小管)、髓袢細段和髓袢升支粗段(遠直小管)。 髓袢 髓袢周圍有伴行的毛細血管網,其內部血液流動方向與髓...
小管近牙髓一端較粗,其直徑約為2.5μm,越向表面越細;近表面處約為lμm,且排列稀疏。因此牙本質在近髓端和近表面每單位面積內小...