A vein is a blood vessel that carries blood toward the heart.
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133 Vein topics matching:
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| x Hepatic portal vein |
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The hepatic portal vein is not a true vein, because it does not conduct blood directly to the heart. It is a vessel in the abdominal cavity that drains blood from the gastrointestinal tract and spleen to capillary beds in the liver. It is usually...
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| x Venae cavae |
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The superior and inferior vena cava are collectively called the venae cavae. They are the veins that return deoxygenated blood from the body, into the heart. They both empty into the right atrium.
The inferior vena cava (or caudal vena cava in...
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| x Great saphenous vein |
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The great saphenous vein (GSV), also long saphenous vein, is the large (subcutaneous) superficial vein of the leg and thigh.
The terms "safaina" (Greek, meaning "manifest," "to be clearly seen") and "el safin" (Arabic, meaning "hidden/concealed")...
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| x Brachiocephalic vein |
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The left and right brachiocephalic veins (or innominate veins) in the upper chest are formed by the union of each corresponding internal jugular vein and subclavian vein. This is at the level of the sternoclavicular joint.
These great vessels merge...
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| x Superior vena cava |
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The superior vena cava (also known as the cava or cva) is a large diameter, yet short, vein that carries deoxygenated blood from the upper half of the body to the heart's right atrium. It is located in the anterior right superior mediastinum.
It is...
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| x Inferior vena cava |
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The inferior vena cava (or IVC), also known as the posterior vena cava, is the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart.
It is posterior to the abdominal cavity and runs alongside...
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| x Umbilical vein |
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The umbilical vein is a vein present during fetal development that carries oxygenated blood from the placenta to the growing fetus.
The blood pressure inside the umbilical vein is approximately 20 mmHg.
Within a week of birth, the infant's umbilical...
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| x Pulmonary vein |
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The pulmonary veins are large blood vessels that carry oxygenated blood from the lungs to the left atrium of the heart. In humans there are four pulmonary veins, two from each lung. They carry oxygenated blood, which is unusual since almost all...
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| x Azygos vein |
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The azygos vein is a vein running up the right side of the thoracic vertebral column. It can also provide an alternate path for blood to the right atrium by allowing the blood to flow between the venae cavae when one vena cava is blocked.
The azygos...
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| x Vein of Galen |
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The great cerebral vein is one of the large blood vessels in the skull draining the cerebrum (brain). It is also known as the "vein of Galen" (VG), named for its discoverer, the Greek physician Galen. However, it is not the only vein with this...
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| x Jugular vein |
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The jugular veins are veins that bring deoxygenated blood from the head back to the heart via the superior vena cava.
There are two sets of jugular veins: external and internal.
The left and right external jugular veins drain into the subclavian...
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| x Internal jugular vein |
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The two internal jugular veins collect the blood from the brain, the superficial parts of the face, and the neck. An internal jugular vein is a type of jugular vein.
On both sides and at the base of the brain, the inferior petrosal sinus and the...
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| x External jugular vein |
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The external jugular vein receives the greater part of the blood from the exterior of the cranium and the deep parts of the face, being formed by the junction of the posterior division of the retromandibular vein with the posterior auricular vein....
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| x Renal vein |
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The renal veins are veins that drain the kidney. They connect the kidney to the inferior vena cava. They carry the blood purified by the kidney.
It is usually singular to each kidney, except in the condition "multiple renal veins".
It also divides...
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| x Popliteal vein |
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The popliteal vein is located behind the knee. Its course runs alongside the popliteal artery, but carries the blood from the knee joint and muscles in the thigh and calf back to the heart.
Its origin is defined by the junction of the posterior...
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| x Femoral vein |
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In the human body, the femoral vein is a blood vessel that accompanies the femoral artery in the femoral sheath. It begins at the adductor canal (also known as Hunter's canal) and is a continuation of the popliteal vein. It ends at the inferior...
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| x Cephalic vein |
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In human anatomy, the cephalic vein (or antecubital vein) is a superficial vein of the upper limb.
It communicates with the basilic vein via the median cubital vein at the elbow and is located in the superficial fascia along the anterolateral...
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| x Subclavian vein |
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The subclavian veins are two large veins, one on either side of the body. Their diameter is approximately that of the smallest finger.
Each subclavian vein is a continuation of the axillary vein and runs from the outer border of the first rib to the...
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| x Profunda femoris vein |
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Profunda femoris vein (or deep femoral vein) is a large deep vein in the thigh. It receives blood from the inner thigh and proceeds superiorly and medially running alongside the profunda femoris artery to join with the femoral vein approximately at...
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| x Small saphenous vein |
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The small saphenous vein (also short saphenous vein), is a relatively large vein of the superficial posterior leg.
Its origin is where the dorsal vein from the fifth digit (smallest toe) merges with the dorsal venous arch of the foot, which attaches...
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| x Common iliac vein |
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In human anatomy, the common iliac veins are formed by the external iliac veins and internal iliac veins and together, in the abdomen at the level of the fifth lumbar vertebrae, form the inferior vena cava. They drain blood from the pelvis and lower...
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| x External iliac vein |
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The external iliac veins are large veins that connect the femoral veins to the common iliac veins. Their origin is at the inferior margin of the inguinal ligaments and they terminate when they join the internal iliac veins (to form the common iliac...
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| x Median cubital vein |
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In human anatomy, the median cubital vein (or median basilic vein) is a superficial vein of the upper limb. It connects the basilic and cephalic vein and is often used for venipuncture (taking blood). It lies in the cubital fossa superficial to the...
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| x Basilic vein |
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In human anatomy, the basilic vein is a large superficial vein of the upper limb that helps drain parts of hand and forearm. It originates on the medial (ulnar) side of the dorsal venous network of the hand, and it travels up the base of the forearm...
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| x Brachial veins |
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In human anatomy, the brachial veins are venae comitantes of the brachial artery in the arm proper. Because they are deep to muscle, they are considered deep veins. Their course is that of the brachial artery (in reverse): they begin where radial...
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| x Posterior tibial vein |
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In anatomy, the posterior tibial vein of the lower limb carries blood from the posterior compartment and plantar surface of the foot to the popliteal vein which it forms when it joins with the anterior tibial vein.
Like most deep veins, the...
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| x Anterior tibial vein |
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In human anatomy, the anterior tibial vein of the lower limb carries blood from the anterior compartment of the leg to the popliteal vein which is formed when it joins with the posterior tibial vein.
Like most deep veins, the anterior tibial vein is...
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| x Peroneal vein |
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In anatomy, the fibular veins (also known as the peroneal veins) are accompanying veins (venae comitantes) of the fibular artery.
The fibular veins are deep veins that help carry blood from the lateral compartment of the leg. They drain into the...
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| x Ductus venosus |
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In the fetus, the ductus venosus shunts approximately half of the blood flow of the umbilical vein directly to the inferior vena cava. Thus, it allows oxygenated blood from the placenta to bypass the liver. In conjunction with the other fetal shunts...
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| x Superior mesenteric vein |
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In anatomy, the superior mesenteric vein (SMV) is a blood vessel that drains blood from the small intestine (jejunum and ileum). At its termination behind the neck of the pancreas, the SMV combines with the splenic vein to form the hepatic portal...
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| x Splenic vein |
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In anatomy, the splenic vein (in the past called the lienal vein) is the blood vessel that drains blood from the spleen.
It joins with the superior mesenteric vein, to form the hepatic portal vein and follows a course superior to the pancreas,...
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| x Axillary vein |
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In human anatomy, the axillary vein is a large blood vessel that conveys blood from the lateral aspect of the thorax, axilla (armpit) and upper limb toward the heart. There is one axillary vein on each side of the body.
Its origin is at the lower...
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| x Radial veins |
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In anatomy, the radial veins are venae comitantes that accompany the radial artery through the back of the hand and the lateral aspect of the forearm. They join the ulnar veins to form the brachial veins.
They follow the same course as the radial...
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| x Ulnar veins |
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In anatomy, the ulnar veins are venae comitantes for the ulnar artery. They mostly drain the medial aspect of the forearm. They arise in the hand and terminate when they join the radial veins to form the brachial veins.
They follow the same course...
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| x Inferior mesenteric vein |
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In human anatomy, the inferior mesenteric vein (IMV) is a blood vessel that drains blood from the large intestine. It usually terminates when reaching the splenic vein, which goes on to form the portal vein with the superior mesenteric vein (SMV)....
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| x Hepatic vein |
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In human anatomy, the hepatic veins are the blood vessels that drain de-oxygenated blood from the liver and blood cleaned by the liver (from the stomach, pancreas, small intestine and colon) into the inferior vena cava.
They arise from the substance...
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| x Diploic veins |
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The diploic veins are found in the skull, and drain the diploic space. This is found in the bones of the vault of the skull, and is the marrow-containing area of cancellous bone between the inner and outer layers of compact bone.
The diploic veins...
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| x Coronary sinus |
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The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the heart muscle (myocardium). It delivers deoxygenated blood to the right atrium, as do the superior and inferior vena cava. It is present...
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| x Cavernous sinus |
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The cavernous sinus (or lateral sellar compartment), within the human head, is a large collection of thin-walled veins creating a cavity bordered by the temporal bone of the skull and the sphenoid bone, lateral to the sella turcica.
The sinus may be...
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| x Inferior epigastric vein |
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In human anatomy, inferior epigastric vein refers to the vein that drains into the external iliac vein and arises from the superior epigastric vein. Along its course, it is accompanied by a similarly named artery, the inferior epigastric artery.
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| x Internal thoracic vein |
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In human anatomy, the internal thoracic vein (previously known as the internal mammary vein) is a vessel that drains the chest wall and mamma, a term used for breast in anatomy.
Bilaterally, it arises from the superior epigastric vein, accompanies...
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| x Superior epigastric vein |
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In human anatomy, superior epigastric vein refers to a blood vessel that carries deoxygenated blood and drains into the internal thoracic vein. It anastomoses with the inferior epigastric vein at the level of the umbilicus and drains the anterior...
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| x Confluence of sinuses |
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The confluence of sinuses or torcular herophili is the connecting point of the superior sagittal sinus, straight sinus, and occipital sinus. It is found deep to the occipital protuberance of the skull. Blood arriving at this point then proceeds to...
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| x Straight sinus |
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The straight sinus (also known as tentorial sinus), within the human head, is an unpaired area beneath the brain which allows blood to drain from the inferior center of the head outwards posteriorly. It drains blood from the superior cerebellar...
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| x Occipital sinus |
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The occipital sinus is the smallest of the cranial sinuses.
It is situated in the attached margin of the falx cerebelli, and is generally single, but occasionally there are two.
It commences around the margin of the foramen magnum by several small...
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| x Superior sagittal sinus |
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The superior sagittal sinus (also known as the superior longitudinal sinus), within the human head, is an unpaired area along the attached margin of falx cerebri. It allows blood to drain from the lateral aspects of anterior cerebral hemispheres to...
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| x Inferior sagittal sinus |
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The inferior sagittal sinus (also known as inferior longitudinal sinus), within the human head, is an area beneath the brain which allows blood to drain outwards posteriorly from the center of the head. It drains (from the center of the brain) to...
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| x Superior petrosal sinus |
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The superior petrosal sinus is a venous structure located beneath the brain. It receives blood from the cavernous sinus and passes backward and laterally to drain into the transverse sinus.
The sinus runs in the attached margin of the tentorium...
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| x Inferior petrosal sinus |
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The inferior petrosal sinuses, within the human head, are beneath the brain and allow blood to drain from the center of the head.
They drain on either side inferiorly from the cavernous sinus (beneath the brain) and join with the sigmoid sinus to...
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| x Superior ophthalmic vein |
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The superior ophthalmic vein begins at the inner angle of the orbit in a vein named the nasofrontal which communicates anteriorly with the angular vein; it pursues the same course as the ophthalmic artery, and receives tributaries corresponding to...
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| x Hemiazygos vein |
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The hemiazygos vein (vena azygos minor inferior) is a vein running superiorly in the lower thoracic region, just to the left side of the vertebral column.
The hemiazygos vein and the accessory hemiazygos vein, when taken together, essentially serve...
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| x Sigmoid sinus |
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The sigmoid sinuses (left & right), within the human head, are two areas beneath the brain which allow blood to drain inferiorly from the posterior center of the head. They drain from the transverse sinuses (under the back of the brain) and converge...
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| x Vertebral vein |
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The vertebral vein is formed in the suboccipital triangle, from numerous small tributaries which spring from the internal vertebral venous plexuses and issue from the vertebral canal above the posterior arch of the atlas.
They unite with small veins...
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| x Anterior jugular vein |
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The anterior jugular vein begins near the hyoid bone by the confluence of several superficial veins from the submaxillary region.
It descends between the median line and the anterior border of the Sternocleidomastoideus, and, at the lower part of...
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| x Posterior external jugular vein |
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The posterior external jugular vein begins in the occipital region and returns the blood from the skin and superficial muscles in the upper and back part of the neck, lying between the Splenius and Trapezius.
It runs down the back part of the neck,...
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| x Intercavernous sinuses |
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The intercavernous sinuses are two in number, an anterior and a posterior, and connect the two cavernous sinuses across the middle line.
The anterior passes in front of the hypophysis cerebri, the posterior behind it, and they form with the...
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| x Transverse sinuses |
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The transverse sinuses (left and right lateral sinuses), within the human head, are two areas beneath the brain which allow blood to drain from the back of the head. They run laterally in a groove along the interior surface of the occipital bone....
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| x Ophthalmic veins |
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Ophthalmic veins are veins which drain the eye.
More specifically, they can refer to:
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| x Anterior facial vein |
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The anterior facial vein (facial vein) commences at the side of the root of the nose and is a direct continuation of the angular vein where it also receives a small nasal branch. It lies behind the facial artery and follows a less tortuous course....
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| x Common facial vein |
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The anterior facial vein usually unites with the posterior facial vein to form the common facial vein, which crosses the external carotid artery and enters the internal jugular vein at a variable point below the hyoid bone.
From near its termination...
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