Suprascapular notch
Suprascapular notch | |
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File:Suprascapular notch of left scapula03.png
Costal surface of left scapula. Suprascapular notch shown in red.
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File:Scapula ant - Suprascapular notch.png
Costal surface of left scapula. Suprascapular notch visible in the red square.
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Details | |
Latin | Incisura scapulae |
Identifiers | |
Dorlands /Elsevier |
i_05/12447497 |
TA | Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value). |
TH | {{#property:P1694}} |
TE | {{#property:P1693}} |
FMA | {{#property:P1402}} |
Anatomical terms of bone
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]
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The suprascapular notch (or scapular notch) is a notch in the superior border of the scapula, just medial to the base of the coracoid process.
This notch is converted into a foramen by the superior transverse scapular ligament, and serves for the passage of the suprascapular nerve (but not its corresponding artery); sometimes the ligament is ossified. The suprascapular artery travels superiorly to the superior transverse ligament.[1]
According to Rengachary et al. 1979, there are six basic types of scapular notch:[2]
- Type I (8%): Notch is absent. The superior border forms a wide depression from the medial angle to the coracoid process.
- Type II (31%): Notch is a blunted V-shape occupying the middle third of the superior border.
- Type III (48%): Notch is U-shaped with nearly parallel margins.
- Type IV (3%): Notch is V-shaped and very small. A shallow groove is frequently formed for the suprascapular nerve adjacent to the notch.
- Type V (6%): Notch is minimal and U-shaped with a partially ossified ligament.
- Type VI (4%): Notch is a foramen as the ligament is completely ossified.
Contents
Additional images
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Suprascapular notch of left scapula - animation01.gif
Left scapula. Suprascapular notch shown in red.
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Suprascapular notch - animation02.gif
Animation. Suprascapular notch shown in red.
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Left scapula. Dorsal surface. (Sup. notch visible at top center.)
Notes
- ↑ Gray's Anatomy (1918), see infobox
- ↑ Habermeyer, Magosch & Lichtenberg 2006, pp. 5–6
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
See also
References
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