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  • Title: Immunodefence of the inner ear? Lymphocyte-macrophage interaction in the endolymphatic sac.
    Author: Rask-Andersen H, Stahle J.
    Journal: Acta Otolaryngol; 1980; 89(3-4):283-94. PubMed ID: 7395499.
    Abstract:
    Owing to their proximity to areas exposed to infection, the sensory organs of the inner ear are probably dependent on an efficient antimicrobial defence. The longitudinal flow of endolymph to the endolymphatic sac may be of major importance in this context. Substances entering the ear can be automatically carried to the distal part of the endolymphatic duct, where lymphoid cells are present and endolymphatic phagocytosis occurs. In the intermediate part of the epithelium of the sac morphological signs marking the incoming substances are present. A vigorous interaction between lymphocytes and macrophages, similar to that observed in antigen-activated lymphoid tissue, may be seen. The sac is here surrounded by a rich network of lymphatic capillaries and blood vessels.
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