| The phlegm and Rheum categories include: | ||||
| • | Phlegm — thin, thick, turbid pathogenic fluid. | |||
| • | Rheum — thin, lucid pathogenic fluid. | |||
| • | Formable or gathering Phlegm and Rheum — visible, palpable, and audible products, such as respiratory sputum, abdominal pathogenic fluid, and scrofula or nodules in skin or muscles. | |||
| • | Non-formable or wandering Phlegm and Rheum — invisible, impalpable, and inaudible products, which manifest as pathogenic symptoms. | |||
