Radiology Key

Arteries of the Spinal Cord and Spine The arterial supply of the cervical spinal cord arises from several branches of the subclavian artery (Figs. 5.1, 5.2), vertebral artery (Fig. 5.3),…

Veins of the Spinal Cord and Spine Inside and outside of the vertebral canal, along the entire length of the spinal cord, there are a number of venous plexuses, with…

Veins of the Head and Neck The superficial veins of the head and neck vary in number and position. The most common pattern of venous distribution is the following (Fig….

Lymphatic System of the Head and Neck The lymph nodes of the head and neck comprise a terminal group and a number of intermediary groups. The terminal group is associated…

The Fetal Circulation Early in the fetal life, the fetal blood reaches the placenta through the two umbilical arteries and returns to the fetus by the two umbilical veins. Later,…