The radial sulcus ( also known as the musculospiral groove, radial groove, 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. Although it provides protection to the radial nerve, it is often involved in compressions on the nerve (due to external pressure to due to surgery) that can cause radial nerve palsy.
Left humerus. Posterior view. (Label, visible at center, is "Groove for radial nerve")
|Latin||sulcus nervi radialis|
|Anatomical terms of bone|
- Alaittin ELHAN, Sadan AY, Ibrahim TEKDEMIR, Ugur SAYLI, (October 1999). "Relation of the Radial Nerve with the Sulcus Nervi Radians: A Morphometric Study". Okajimas Folia Anatomica Japonica. 76 (4): 197–202.CS1 maint: extra punctuation (link)
- "Posterior arm & forearm regions". Anatopedia. Retrieved 11 October 2020.
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