Purpose: To study the lymphatic drainage of the cynomolgus monkey and human eyelid and periocular tissue by means of histochemistry.
Methods: Eyelid and periocular tissue from three cynomolgus monkeys undergoing sacrifice for glaucoma and retina research purposes and discarded tissue from a wedge resection of one human eyelid were used for histochemical analysis. Lymphatic capillaries were distinguished histochemically in monkey and human eyelids by light microscopy with a 5'-nucleotidase (5'-Nase) staining method. Identification of lymphatic vessels was based on strict morphologic criteria combined with specific 5'-Nase staining.
Results: Histochemical analysis with 5'-nucleotidase revealed a subcutaneous and pretarsal lymphatic plexus in both the human and monkey.
Conclusions: Histochemical results demonstrate similar lymphatic plexi in the monkey and human. Future studies will help to clarify the lymphatic drainage pathways of monkey and human eyelids.
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| http://dx.doi.org/10.1097/00002341-200201000-00004 | DOI Listing |
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