Shugyo Y, Sudo N, Kanai K, Yamashita T, Kumazawa T, Kanamura S
Department of Otolaryngology and Anatomy, Kansai Medical University, Moriguchi, Osaka, Japan.
Am J Anat. 1988 Apr;181(4):377-84. doi: 10.1002/aja.1001810405.
Morphological differences between secretory cells of the wet and dry types of human ceruminous glands were examined. The heights of secretory cells varied from tall and medium to low in both wet- and dry-type glands. The two gland types differed in morphologic features of the tall cells and the cells of medium height. The Golgi apparatus was well developed in the tall cells and fairly well developed in the cells of medium height in the wet-type gland, whereas it was generally small in the corresponding cells of the dry type. Light granules were abundant in the tall cells and in the cells of medium height in the wet-type gland, whereas light granules were rare in these cells in the dry-type gland. Furthermore, the light granules in the wet-type gland cells were observed in close relation to a well-developed Golgi apparatus, and sometimes showed a morphologic appearance suggesting exocytosis. Apical protrusions, probably related to apocrine secretion, were generally large and round and bore "microvilli and light granules" or "very few microvilli and no light granules" in the tall cells of the wet-type gland. However, the protrusions of the tall cells of the dry-type gland were generally large and slender and possessed no microvilli and no granules. The protrusions were not observed in the cells of medium height or in low cells in either type of gland. The results show that eccrine secretion characterizes the wet-type gland, but it is not clearly evident in the dry-type gland. This differences may be related to differences in composition between the wet and dry cerumens.
对人类湿性和干性耵聍腺分泌细胞的形态学差异进行了研究。在湿性和干性腺体中，分泌细胞的高度从高、中到低各不相同。两种腺体类型在高细胞和中等高度细胞的形态特征上存在差异。在湿性腺体中，高尔基体在高细胞中发育良好，在中等高度细胞中发育较好，而在干性腺体的相应细胞中通常较小。在湿性腺体的高细胞和中等高度细胞中，浅色颗粒丰富，而在干性腺体的这些细胞中，浅色颗粒很少。此外，在湿性腺体细胞中观察到的浅色颗粒与发育良好的高尔基体密切相关，有时呈现出提示胞吐作用的形态外观。顶端突起可能与顶浆分泌有关，在湿性腺体的高细胞中通常大而圆，带有“微绒毛和浅色颗粒”或“极少微绒毛且无浅色颗粒”。然而，干性腺体高细胞的突起通常大而细长，没有微绒毛和颗粒。在两种腺体类型的中等高度细胞或低细胞中均未观察到突起。结果表明，外分泌特征是湿性腺体的特点，但在干性腺体中并不明显。这种差异可能与干湿耵聍成分的差异有关。
