3D Osteology
All visual materials are sourced directly from the app 3D Osteology
The Inferior nuchal line is a horizontal ridge extending from the centre of the external occipital crest. It is located inferiorly to the superior nuchal line. (1,8)
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The Inferior nuchal line is a horizontal ridge extending from the centre of the external occipital crest. It is located inferiorly to the superior nuchal line. (1,8)
The occipital plane is an area of the external surface of the squamous part that extends above the supreme nuchal line. (1)
The superior nuchal line is a horizontal ridge extending laterally on either side at the same level as the external occipital protuberance. (7,8)
The supreme nuchal line is the most superior line extending from the external occipital protuberance. (1,7)
The External occipital crest is a variable structure positioned between the external occipital protuberance and the posterior border of the foramen magnum. (7,8)