In vivo roentgenographic examination of parasympathetic innervation of small airways. Use of powdered tantalum and a fine focal spot x-ray tube

MeSH terms

• Animals
• Bronchi / innervation*
• Bronchography* / instrumentation
• Cats
• Dogs
• Electric Stimulation
• Muscle Contraction
• Parasympathetic Nervous System / physiology*
• Tantalum*
• Trachea / innervation
• Vagotomy
• Vagus Nerve / physiology