Object
X-ray of the Doctor's Chest
Medical diagnostic image displayed on Dr. Henderson's light box in Ashbridge Cottage Hospital, revealing the Doctor's alien physiology through an anomalous second structure near his heart.
1 appearances
Purpose
Medical imaging to assess the Doctor's chest injuries and internal anatomy
Significance
Exposes the Doctor's non-human biology as a pivotal clue, sparking Henderson's denial and advancing the plot toward revelations of his identity and external threats
Appearances in the Narrative
When this object appears and how it's used