sinus formation

sinus formation

route through overlying tissues and skin, allowing escape of pus or bursal fluid (note: bursal fluid may solidify to plug sinus exit, resembling a corn)
References in periodicals archive ?
Signs and symptoms of the chronic form are usually less prominent and may fluctuate in severity; they include swelling, pain, sinus formation, sequestration and, in the case of bone loss, pathologic fractures.
Germinal center formation is commonly seen in the lymphoid component, but a true lymph node architecture with sinus formation, a medullary region, or interfollicular zones is absent.