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| 61. | digital arteries | formed from the superficial and deep palmar arches; supply blood to the digits |
| 62. | digital veins | drain the digits and feed into the palmar arches of the hand and dorsal venous arch of the foot |
| 63. | dorsal arch | (also, arcuate arch) formed from the anastomosis of the dorsalis pedis artery and medial and plantar arteries; branches supply the distal portions of the foot and digits |
| 64. | dorsal venous arch | drains blood from digital veins and vessels on the superior surface of the foot |
| 65. | dorsalis pedis artery | forms from the anterior tibial artery; branches repeatedly to supply blood to the tarsal and dorsal regions of the foot |
| 66. | ductus arteriosus | shunt in the fetal pulmonary trunk that diverts oxygenated blood back to the aorta |
| 67. | ductus venosus | shunt that causes oxygenated blood to bypass the fetal liver on its way to the inferior vena cava |
| 68. | elastic artery | (also, conducting artery) artery with abundant elastic fibers located closer to the heart, which maintains the pressure gradient and conducts blood to smaller branches |
| 69. | esophageal artery | branch of the thoracic aorta; supplies blood to the esophagus |
| 70. | esophageal vein | drains the inferior portions of the esophagus and leads to the azygos vein |
| 71. | external carotid artery | arises from the common carotid artery; supplies blood to numerous structures within the face, lower jaw, neck, esophagus, and larynx |
| 72. | external elastic membrane | membrane composed of elastic fibers that separates the tunica media from the tunica externa; seen in larger arteries |
| 73. | external iliac artery | branch of the common iliac artery that leaves the body cavity and becomes a femoral artery; supplies blood to the lower limbs |
| 74. | external iliac vein | formed when the femoral vein passes into the body cavity; drains the legs and leads to the common iliac vein |
| 75. | external jugular vein | one of a pair of major veins located in the superficial neck region that drains blood from the more superficial portions of the head, scalp, and cranial regions, and leads to the subclavian vein |
| 76. | femoral artery | continuation of the external iliac artery after it passes through the body cavity; divides into several smaller branches, the lateral deep femoral artery, and the genicular artery; becomes the popliteal artery as it passes posterior to the knee |
| 77. | femoral circumflex vein | forms a loop around the femur just inferior to the trochanters; drains blood from the areas around the head and neck of the femur; leads to the femoral vein |
| 78. | femoral vein | drains the upper leg; receives blood from the great saphenous vein, the deep femoral vein, and the femoral circumflex vein; becomes the external iliac vein when it crosses the body wall |
| 79. | fenestrated capillary | type of capillary with pores or fenestrations in the endothelium that allow for rapid passage of certain small materials |
| 80. | fibular vein | drains the muscles and integument near the fibula and leads to the popliteal vein |
| 81. | filtration | in the cardiovascular system, the movement of material from a capillary into the interstitial fluid, moving from an area of higher pressure to lower pressure |
| 82. | foramen ovale | shunt that directly connects the right and left atria and helps to divert oxygenated blood from the fetal pulmonary circuit |
| 83. | genicular artery | branch of the femoral artery; supplies blood to the region of the knee |
| 84. | gonadal artery | branch of the abdominal aorta; supplies blood to the gonads or reproductive organs; also described as ovarian arteries or testicular arteries, depending upon the sex of the individual |
| 85. | gonadal vein | generic term for a vein draining a reproductive organ; may be either an ovarian vein or a testicular vein, depending on the sex of the individual |
| 86. | great cerebral vein | receives most of the smaller vessels from the inferior cerebral veins and leads to the straight sinus |
| 87. | great saphenous vein | prominent surface vessel located on the medial surface of the leg and thigh; drains the superficial portions of these areas and leads to the femoral vein |
| 88. | hemangioblasts | embryonic stem cells that appear in the mesoderm and give rise to both angioblasts and pluripotent stem cells |
| 89. | hemiazygos vein | smaller vein complementary to the azygos vein; drains the esophageal veins from the esophagus and the left intercostal veins, and leads to the brachiocephalic vein via the superior intercostal vein |
| 90. | hepatic artery proper | branch of the common hepatic artery; supplies systemic blood to the liver |
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