1. One of two autonomic nerve plexuses in each lung
   - plexus pulmonalis

Type of: nerve plexus

• operations
• operations research
• operative
• operative field
• operatively
• operator
• operator gene
• opercular
• operculate
• operculated
• operculum
• operetta
• operon
• operose
• operoseness
• Opheodrys
• Opheodrys aestivus
• Opheodrys vernalis
• Ophidia
• ophidian
• Ophidiidae
• ophidism
• Ophiodon
• Ophiodon elongatus
• Ophiodontidae