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PubMed1990

[Characteristics of the regional lymphatic system of the external genitals in dogs in experimental studies].

In the experiment performed on 80 mongrel female dogs by means of morphological and roentgenographical methods the structure of the lymphatic bed, pathways of lymph outflow and localization of the regional lymph nodes of the external genitals have been studied in the norm, at inflammation and at malignant tumors. Normal lymph outflow (53 animals) from the external genitals occurs via direct, cross and roundabout pathways. The regional nodes of the I order are inguinal lymph nodes and all the pelvic nodes, anorectal ones including. A part of vessels, without getting the lymph nodes mentioned, get into the retrosternal, caudal lumbar lymph nodes and the lumbar trunk. The cross of the lymphatic pathways occurs via the anterior, posterior commissures, at the level of the inguinal lymph nodes and within the limits of the pelvis. At an acute inflammation (24 animals) besides those mentioned above, roundabout vessels in the middle third of the femur are constantly revealed. They get into the femoral collector, and the vessels in the inferior third of the femur come into the popliteal lymph nodes. At malignant tumors of the external genitals (3 animals), besides all the pathways of the lymph outflow mentioned above, the femoral-crural roundabout pathway appears, it is connected with the lymphatic collector of the crus. Some vessels of the external genitals, combining with the vessels of the vagina, urethra and urinary bladder, get into the lumbar trunk and into the caudal lumbar lymph nodes. Increasing amount of all groups of the lymph nodes is noted.(ABSTRACT TRUNCATED AT 250 WORDS)

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