Category Nuances matching blockage:

• unhealthy,
• gastrointestinal,
• fluid,
• physical,
• vascular,
• smaller,
• mental,
• artificial,

Members for simple category blockage:

• esophageal_atresia,
• coronary-artery_disease,
• arterial_stenosis,
• weir,
• cyst,
• fallopian-tube_blockage,
• dam,
• mi,
• nasal_polyp,
• trauma,
• fibroid,
• tumor,
• paralysis,
• cerebrovascular_blockage,
• duodenal_atresia,