English: Senior House Officer
Welsh: Uwch-swyddog Preswyl
Subject: Iechyd
English definition: SHO. After completing a year as House Officers, student must spend 2 years ar Senior House Officers.
Welsh definition: Ar ôl blwyddyn fel swyddog preswyl rhaid i feddygon dreulio 2 flynedd fel Uwch-swyddogion Preswyl.