2. The =circumflex iliac veins= (Vv. circumflexæ ilium profundæ) are the
two satellites of each corresponding artery, on either side of which
they are placed. They may open directly into the posterior vena cava or
into the external iliac vein.
3. The =ilio-lumbar vein= (V. iliolumbalis) may open into the common
iliac, the external iliac, or the internal iliac vein.