Sagittal groove of middle phalanx
Sulcus sagittalis phalangis mediae
Definition
The distal extremity of the middle phalanx (Caput phalangis mediae) has a surface constituted a bit in the same way as the one of the proximal phalanx: two condyloid reliefs, the medial and lateral condyle of middle phalanx (Condylus medialis & lateralis phalangis mediae) separated by a dorsopalmar sagittal groove of middle phalanx (Sulcus sagitalis phalangis mediae).
References
Anatomie comparée des mammifère domestiques - 5th edition - Robert Barone - Vigot
