निम्नलिखित में से कौन सा सूजन (inflammation) के लिए कोशिका-व्युत्पन्न मध्यस्थ (cell-derived mediator) नहीं है?

The clinical condition known as 'black hairy tongue' is primarily associated with the overgrowth of which type of microorganism along with keratin accumulation?

Ranula is a cystic lesion associated with which structure of the oral cavity?

In liver disease, bilirubin excretion is altered. Which type of jaundice is caused by the obstruction of bile flow?