Brain scan from our German doctor (9)
I believe the answer is:
neurogram
'brain scan' is the definition.
The definition suggests a singular noun which matches the answer.
'our german doctor' is the wordplay.
'doctor' is an anagram indicator.
'our'+'german'='ourgerman'
'ourgerman' with letters rearranged gives 'NEUROGRAM'.
'from' is the link.
Can you help me to learn more?
(Other definitions for neurogram that I've seen before include "Permanent impression" , "trace" .)