López J M, Alvarez-Uría M
Department of Morphology and Cell Biology, University of Oviedo, Spain.
J Submicrosc Cytol Pathol. 1993 Apr;25(2):223-32.
Myoepithelial cells were structurally and morphometrically studied in the hamster Harderian gland. Myoepithelial cells appeared as irregularly shaped cells with a central body containing the nucleus and numerous long cytoplasmic processes embracing the basal surface of the secretory cells. The main identifying feature of myoepithelial cells was the numerous myofilaments that occupied much of the cytoplasm. Quantitative studies with the electron microscope revealed significant differences between male and female glands, being either volume fraction and numerical density of myoepithelial cells higher in female glands than in male glands. No evidence of cellular size variation between sexes was found. Cell number differences, rather than cell size, were responsible for the sex difference. The functional significance of this sex difference is discussed in relation to the different secretory activity of the Harderian gland in the two sexes.
对仓鼠哈德氏腺的肌上皮细胞进行了结构和形态计量学研究。肌上皮细胞呈不规则形状，中央体含有细胞核，并有许多长的细胞质突起包绕分泌细胞的基底面。肌上皮细胞的主要识别特征是大量占据大部分细胞质的肌丝。电子显微镜定量研究显示，雄性和雌性腺体之间存在显著差异，雌性腺体中肌上皮细胞的体积分数和数量密度高于雄性腺体。未发现两性之间细胞大小存在差异。性别差异是由细胞数量差异而非细胞大小造成的。结合哈德氏腺在两性中不同的分泌活动，讨论了这种性别差异的功能意义。
