• Acceleration injury
• Activity limitation
• Afferent neurons
• Agnosia
• Agrammatism
• Ballism
• Basal ganglia
• Basilar artery
• Bell’s palsy
• Binswanger’s disease
• Biopsy
• Calcarine fissure
• Caloric testing
• Capgras syndrome
• Carotid arteries
• Catastrophic reaction
• Coup injury