Lateral parietal groove
Sulcus parietalis lateralis
Definition
The medial and lateral parietal grooves run on the parietal surface of the distal phalanx, they encompass blood vessels (dorsal branches or palmar digital artery) and terminate dorsally with the largest parietal foramina and terminate palmarly in the notch of the palmar process.
References
Text by Antoine Micheau, MD - Copyright IMAIOS
