Structures

Trunk vessels (aorta, vena cava, abdominal branches)

Thoracic and abdominal aorta with main branches (celiac, superior/inferior mesenteric, renal, iliac), superior/inferior vena cava with tributaries, portal vein, and the segmental lumbar/intercostal vessels. Separate layer alongside the trunk muscles/bones, toggled independently.

60 entries

• Abdominal aortaPrimary arterial trunk supplying all abdominal viscera, pelvic organs, and the lower limbs via unpaired…Aorta abdominalis (Pars abdominalis aortae)
• Accessory hemiazygos veinDrains the mid-thoracic left chest wall and left bronchial veinsVena hemiazygos accessoria
• Ascending aortaInitial conduit of the systemic arterial tree, receiving total left ventricular stroke volume and dampening…Aorta ascendens
• Ascending lumbar veinsForms a longitudinal cavo-caval anastomotic trunk connecting the iliac/IVC system to the azygos/SVC systemVena lumbalis ascendens (dextra et sinistra)
• Azygos veinDrains the posterior thoracic wall, bronchi, esophagus, and pericardium; receives the hemiazygos and…Vena azygos
• Branches of renal arteryDelivers segmented arterial flow to the five independent renal vascular segments, creating Brodel's/Hyrtl's…Rami anterior et posterior arteriae renalis
• Celiac trunkSupplies oxygenated blood to foregut derivatives (stomach, lower esophagus, liver, gallbladder, spleen,…Truncus coeliacus
• Circumflex branch of left coronary artery (LCx)Supplies the posterolateral left ventricular free wall, left atrium, and anterolateral papillary muscle;…Ramus circumflexus arteriae coronariae sinistrae (RCx)
• Common hepatic arterySupplies arterial blood to the liver, gallbladder, stomach, duodenum, and pancreasArteria hepatica communis
• Common iliac arteriesMajor conduit conducting systemic arterial blood to the pelvis, perineum, and lower limbsArteria iliaca communis (dextra et sinistra)
• Common iliac veinsDrains the entire lower extremity, pelvis, and perineum into the inferior vena cavaVena iliaca communis (dextra et sinistra)
• External iliac arteriesPrimary arterial conduit to the lower extremity, giving off the inferior epigastric and deep circumflex iliac…Arteria iliaca externa (dextra et sinistra)
• External iliac veinsPrimary venous conduit draining the entire lower limbVena iliaca externa (dextra et sinistra)
• Femoral arteryPrimary arterial conduit supplying oxygenated blood to the thigh, leg, and footArteria femoralis
• Femoral veinMajor deep venous trunk returning blood from the entire lower extremityVena femoralis
• First posterior intercostal arteriesSupplies the muscles and parietal pleura of the 1st intercostal spaceArteriae intercostales posteriores primae
• Gastroduodenal arterySupplies the pylorus, proximal duodenum, pancreatic head, and greater curvature of the stomachArteria gastroduodenalis
• Hemiazygos veinDrains the 9th to 11th left posterior intercostal veins, lower esophagus, and mediastinumVena hemiazygos
• Hepatic portal veinDelivers ~75% of hepatic blood supply, transporting nutrient-rich, deoxygenated blood from the entire…Vena portae hepatis
• Hepatic veinsConducts all deoxygenated, processed blood from the liver parenchyma into the systemic circulationVenae hepaticae (dextra, intermedia et sinistra)
• Iliolumbar arteriesSupplies the iliopsoas, quadratus lumborum, ilium, and lumbar spinal canalArteria iliolumbalis (dextra et sinistra)
• Iliolumbar veinsDrains the iliopsoas, iliac crest, and fifth lumbar spinal regionVena iliolumbalis (dextra et sinistra)
• Inferior epigastric arteriesSupplies the inferior rectus abdominis muscle and lower anterior abdominal wall; defines the lateral border…Arteria epigastrica inferior (dextra et sinistra)
• Inferior epigastric veinsDrains the lower anterior abdominal wall into the external iliac vein and IVC systemVenae epigastricae inferiores
• Inferior mesenteric arterySupplies hindgut structures: distal third of the transverse colon, descending colon, sigmoid colon, and upper…Arteria mesenterica inferior
• Inferior mesenteric veinDrains the distal transverse colon, descending colon, sigmoid colon, and upper rectum into the portal systemVena mesenterica inferior
• Inferior pancreaticoduodenal arteriesSupplies the pancreatic head and duodenal loop; forms vital celiac-to-SMA arterial collateral arcadeArteriae pancreaticoduodenales inferiores
• Inferior phrenic arteriesPrimary arterial supply to the diaphragm and upper poles of the suprarenal glandsArteriae phrenicae inferiores
• Inferior suprarenal arteriesSupplies the adrenal cortex (mineralocorticoids, glucocorticoids, androgens) and medulla (catecholamines)Arteriae suprarenales inferiores
• Inferior vena cavaLargest vein in the body, returning deoxygenated blood from the lower extremities, pelvis, kidneys, and…Vena cava inferior
• Internal iliac arteries (hypogastric)Supplies pelvic viscera (urinary bladder, rectum, uterus/prostate), pelvic walls, perineum, erectile tissues,…Arteria iliaca interna (Arteria hypogastrica)
• Internal iliac veins (hypogastric)Drains the pelvic viscera, pelvic floor, perineum, and gluteal regionVena iliaca interna (Vena hypogastrica)
• Intrarenal arteriesDrives high-pressure glomerular ultrafiltration and supplies the peritubular capillary and vasa recta networksArteriae intrarenales (lobares, interlobares, arcuatae et interlobulares)
• Intrarenal veinsCollects venous outflow from the filtration and reabsorption machinery of the nephronsVenae intrarenales (interlobulares, arcuatae, interlobares)
• Left gastric arterySupplies the lesser curvature of the stomach and lower esophagusArteria gastrica sinistra
• Lumbar arteriesSupplies the posterior abdominal wall musculature, lumbar vertebrae, cauda equina, and lumbar meningesArteriae lumbales (I-IV)
• Lumbar veinsDrains the lumbar muscles, vertebral column, and spinal cord to the IVC and azygos systemVenae lumbales (I-IV)
• Musculophrenic arteriesSupplies the anterolateral diaphragm, lower intercostal spaces, and abdominal wall musculatureArteria musculophrenica (dextra et sinistra)
• Musculophrenic veinsDrains the anterolateral diaphragm and 7th-9th intercostal spacesVenae musculophrenicae
• Posterior intercostal arteriesSupplies intercostal muscles, ribs, parietal pleura, chest wall skin, and spinal cordArteriae intercostales posteriores (III-XI)
• Posterior/inferior vein of left ventricleDrains deoxygenated venous blood from the inferoposterior left ventricular myocardium into the coronary sinusVena posterior ventriculi sinistri (Vena inferior)
• Proper hepatic arterySupplies oxygen-rich arterial blood to the liver parenchyma and biliary system (supplying ~25% of liver blood…Arteria hepatica propria
• Renal arteriesDeliver 20-25% of resting cardiac output to the kidneys for filtration, metabolic waste clearance, and…Arteria renalis (dextra et sinistra)
• Renal veinsDrains deoxygenated, filtered blood from the kidneys and left adrenal/gonad into the IVCVena renalis (dextra et sinistra)
• Second posterior intercostal arteriesSupplies the second intercostal space, chest wall musculature, and parietal pleuraArteriae intercostales posteriores secundae
• Splenic arterySupplies the spleen, body/tail of the pancreas (via pancreatic branches), gastric fundus (short gastric…Arteria splenica (Arteria lienalis)
• Splenic veinDrains the spleen, stomach fundus/greater curvature, and pancreas into the portal veinVena splenica (Vena lienalis)
• Superficial epigastric arteriesSupplies the subcutaneous fat (Camper's and Scarpa's fascia) and skin of the infraumbilical abdominal wallArteria epigastrica superficialis (dextra et sinistra)
• Superficial epigastric veinsDrains the subcutaneous tissue and skin of the infraumbilical abdominal wallVenae epigastricae superficiales
• Superior epigastric arteriesSupplies the rectus abdominis muscle, superior anterior abdominal wall, and overlying skinArteria epigastrica superior (dextra et sinistra)
• Superior epigastric veinsDrains the upper anterior abdominal wall into the SVC systemVenae epigastricae superiores
• Superior intercostal veinsDrains the upper posterior intercostal spaces into the central systemic veinsVena intercostalis superior (dextra et sinistra)
• Superior mesenteric arterySupplies midgut derivatives from the major duodenal papilla to the proximal two-thirds of the transverse colonArteria mesenterica superior
• Superior mesenteric veinDrains the small intestine, cecum, appendix, ascending colon, and transverse colon into the portal systemVena mesenterica superior
• Superior phrenic arteriesSupply the superior surface of the posterior diaphragm, anastomosing with musculophrenic branchesArteriae phrenicae superiores
• Superior phrenic veinsDrains venous blood from the superior aspect of the diaphragmVenae phrenicae superiores
• Superior vena cavaReturns all deoxygenated venous blood from the head, neck, upper limbs, and chest wall to the right side of…Vena cava superior
• Supreme intercostal arterySupplies arterial blood to the upper two intercostal spacesArteria intercostalis suprema
• Thoracic aortaSupplies systemic arterial blood to the thoracic wall (posterior intercostal arteries), bronchial tree,…Aorta thoracica (Pars thoracica aortae)
• Trunks of internal iliac artery (anterior and posterior)Distributes arterial blood to all pelvic organs, perineum, and gluteal regionTrunci anterior et posterior arteriae iliacae internae