REEXAMINATION OF TESTICULAR LYMPHATIC DRAINAGE IN THE RAT

A Kazeem

Abstract


To clarify the route of gonadal lymph
drainage in the rat we injected dilute India ink
into testicular lymphatics and concomitantly
replaced the entire blood volume with Ringers
lactate. This technique intensified the blackness
of injected lymph vessels against a background
of pale, "washed out" tissues. Whereas rat
testicular lymphatics may drain into regional
lymph nodes, they also commonly bypass nodal
tissue entirely and enter the cisterna chyli
directly. This anomalous lymphatic group
suggests the testis may be an immunologically
privileged site.


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