应用过氧化物酶抗过氧化物酶法(PAP 法)对大鼠胃窦G 细胞进行定位定性研究,并用立体学原理进行定量研究。结果表明,G 细胞的体积密度为0.99%,数量密度分别为169个/mm~2和15706个/mm~3,平均体积为638μm~3,胃窦粘膜G 细胞总数为2.6×10~4个,总体积为1.7×10~(-1)mm~3。这些正常值的测定可为进一步研究G 细胞动力学及胃泌素的调节机制建立基础。 The peroxidase-peroxidase (PAP) method was used to perform localization and characterization of gastric antral G cells in rats, and quantitative studies were performed using the principle of stereology. The results showed that the bulk density of G cells was 0.99%, the number density was 169/mm~2 and 15706/mm~3, the average volume was 638 μm~3, and the total number of gastric antrum mucosa G cells was 2.6×10~4. The total volume is 1.7×10~(-1)mm~3. The determination of these normal values ​​may establish the basis for further investigation of G cell kinetics and the regulatory mechanisms of gastrin.