- lymph sinuses in the cortex of a lymph node, which arise from the marginal sinuses and continue into the medullary sinuses; called also intermediate s's.
Medical dictionary. 2011.
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marginal sinuses — 1. discontinuous venous lacunae, relatively free of villi, near the edge of the placenta. They were originally thought to be circumferentially continuous and important for placental drainage; their existence has not been confirmed. 2. bowl shaped … Medical dictionary
intermediate sinuses — cortical s s … Medical dictionary
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