Dislocation - (dis-location)
Displacement of a bone from its normal position (in a joint)
Dorsal - (Dorsal)
Relating to the upper back or ribcage
Dyspepsia - (dys-pep-sia)
Another term for gastritis
Dysthymia - (dis-thai-mia)
A disorder characterised by chronic, mildly depressed or irritable mood, often accompanied by other symptoms like appetite and sleeping disturbances, fatigue, etc.