Category Nuances for trachea:

• adjacent,
• rigid,
• vital,
• visceral,
• digestive,
• oriented,
• endocrine,
• regional,
• external,
• anatomic,
• respiratory,
• flexible,
• embryonic,
• surrounding,
• tubular,
• anatomical,
• hollow,
• vascular,
• bovine,
• underlying,
• internal,
• small,
• thoracic,
• normal,
• soft,
• natural,
• somatic,
• nearby,
• exposed,
• contiguous,
• distal,
• inner,
• critical,
• biological,
• quiescent,
• major,
• hard,
• delicate,
• cartilaginous,
• visible,
• particular,
• local,
• superficial,
• diverse,
• neighboring,
• epithelial,
• mucosal,
• extraneous,

Simple Categories for trachea:

• tube,
• part,
• tissue,
• structure,
• zone,
• passageway,
• area,
• organ,
• landmark,
• reservoir,
• vessel,
• duct,
• feature,
• passage,
• cavity,