Longitudinal Section Through Fingernail Small 320×109 Medium 640×218 Large 1024×348 Download Tiff Original 2400×816 | (1.0 MB) Description Longitudinal section through human nail and its nail groove (sulcus). Keywords fingernail, nail, ungues sulcus Galleries Human Skin, Hair, and Nails Source: Gray, Henry Gray's Anatomy: Descriptive and Applied (Philadelphia: Lea & Febiger, 1913) 1156 Courtesy the private collection of Roy Winkelman
