part of part of adjacent to lymph node anatomical space trabecula of lymph node trabecular sinus of lymph node lymph node trabecular sinus UBERON:8410032 The trabecular sinus is the lymph-filled space outside the trabeculae between lobules of the lymph node. This is a continuation of the subcapsular sinus which receives the afferent vessels and is present beneath the capsule. This space is traversed by both reticular fibers and cells in the lymph.