These tumors may appear as nodules or as red, scaly patches. Squamous cell carcinoma is the second most common skin cancer found in Caucasians. It typically is found on the rim of the ear, the face, the lips and mouth. It is rarely found on dark-skinned persons. This cancer will develop into large masses.
The branches of the femoral nerve serve the quadriceps muscles and skin of the anterior and medial thigh, while its largest branch, the saphenous nerve, extends to the skin of the medial leg and foot.
The anterior spinal artery then descends on the anterior surface of the spinal cord within the anterior median fissure. Branches from the anterior spinal artery enter the substance of the cord and supply the anterior two-thirds of the spinal cord. Segmental Spinal Arteries. The segmental arteries are branches of arteries outside the vertebral column (deep cervical, intercostal, and lumbar arteries).