Radial groove
| Humerus | |
|---|---|
 Left humerus. Posterior view. (Label, visible at center, is "Groove for radial nerve") | |
| Details | |
| Identifiers | |
| Latin | sulcus nervi radialis |
| TA98 | A02.4.04.014 |
| TA2 | 1197 |
| FMA | 23417 |
| Anatomical terms of bone | |
The radial groove (also known as the musculospiral groove, radial sulcus, or spiral groove) is a broad but shallow oblique depression for the radial nerve and deep brachial artery. It is located on the center of the lateral border of the humerus bone.[1] It is situated alongside the posterior margin of the deltoid tuberosity, ending at its inferior margin.[2]
Although it provides protection to the radial nerve, it is often involved in compressions on the nerve (due to external pressure due to surgery) that can cause radial nerve palsy.[1]
See also
Additional images
Cross-section through the middle of upper arm.
The brachial artery.
The suprascapular, axillary, and radial nerves.
References
- 1 2 Sadan AY; Ibrahim TEKDEMIR; Ugur SAYLI; Alaittin ELHAN; K. Mine ERBIL; Ruhgun BASAR (October 1999). "Relation of the Radial Nerve with the Sulcus Nervi Radians: A Morphometric Study". Okajimas Folia Anatomica Japonica. 76 (4): 197–202. doi:10.2535/ofaj1936.76.4_197. PMID 10565203.
- ↑ Martini, Frederic; Tallitsch, Robert B.; Nath, Judi L. (2017). Human Anatomy (9th ed.). Pearson. p. 177. ISBN 9780134320762.
Bibliography
This article incorporates text in the public domain from page 211 of the 20th edition of Gray's Anatomy (1918)
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