肌上皮细胞
病理
鳞状化生
唾液腺
组织学
排泄系统
增生
化生
唾液
导管(解剖学)
淋巴
脂肪组织
上皮
萎缩
医学
生物
解剖
内科学
免疫组织化学
作者
Fernando Martı́nez-Madrigal,C Micheau
标识
DOI:10.1097/00000478-198910000-00008
摘要
Major salivary glands are characterized by the presence of numerous excretory units that consist of acini and a peculiar duct system. Under normal conditions, sebaceous glands are annexed to the duct system in the parotid and the submaxillary glands. The excretion of the saliva is assisted by the myoepithelial cells, which play an important role in the morphology of several kinds of salivary gland tumors. Interstitial lymphocytes give rise to the formation of lymph nodes in the parotid gland. Heterotopic salivary tissue is found in many locations throughout the head and neck. Age-induced variations and reactive changes include oncocyte proliferation, fatty infiltration, squamous and mucous metaplasia, hyperplasia, atrophy, and regeneration. An analysis of the normal salivary gland structure permits a morphogenetic approach to an understanding of the variability in histologic types of salivary gland tumors.
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