Koerner septum

Thoracic branch endoprosthesis

Mitral aortic intervalvular fibrosa - annotated images

Acromiohumeral interval

Evans' index

Acromion index

Lateral acromial angle

Kohler line

DeLee and Charnley, and Gruen zones

FDI (Fédération Dentaire Internationale) - World Dental Federation nomenclature for OPG reporting of adult dentition

Squamo-columnar junction - cervix

Ductus venosus flow waveform

Placenta praevia spectrum

Variation in placental adherence: diagrams

Variation in placental morphology: diagrams

Variation in cord insertion

Variation in fetal heart rate through gestation

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