Saphenous a. : Manifest; -- applied to the two principal superficial veins of the lower limb of man.

Saphenous a. : Of, pertaining to, or in the region of, the saphenous veins; as, the saphenous nerves; the saphenous opening, an opening in the broad fascia of the thigh through which the internal saphenous vein passes.

Example:
Can a family member donate the Saphenous vein for heart bypass surgury?

Taxonomy
saphenous nerve, Nerves, branches, medial side, Cutaneous nerves, adductor canal, free encyclopedia, lower extremity, passes, cutaneous branch, ankle, skin, Saphenous, thigh, obturator nerve, Accessory obturator nerve, femoral artery, knee.

Defination from the web:
saphenous nerve (medial crural cutaneous branches) are distributed to the skin of the front and medial side ... Saphenous+Nerve at eMedicine Dictionary. SUNY Labs 12:08-0102 - "Structures of the Adductor Canal" ...