Vitamin A Deficiency in Rats Induces Langerhans Cells in the Iliac Lymph Nodes Draining to the Squamous Metaplastic Urinary Bladder

We previously observed Langerhans cells (LC)in the squamous metaplastic urinary bladder in rats fed a vitamin A-deficient diet. Here we report the finding of LC in the iliac lymph nodes,one of the abdominal lymph nodes draining to the urinary bladder. LC had previously only been observed in the superficial and hilar lymph nodes, but never in the abdominal… (More)