丝状乳头是舌苔的主要组成部分。对正常人舌丝状乳头的总体形态、上皮组织及乳头内微血管结构、黑毛舌丝状乳头的病理特征目前已有了清晰的认识。不同种类动物的丝状乳头形态结构差别很大,它们与人舌的相似程度是中医制作舌苔动物模型时应当考虑的内容。 Filamentous nipples are a major component of the tongue coating. On the general shape of the tongue-like nipple, epithelial tissue and nipple capillary structure, black hair tongue filiform papillary pathological features now have a clear understanding. Different types of animal filiform nipples morphological structure vary greatly, their similarity with the human tongue is the traditional Chinese medicine tongue coating model should be considered.