The Circulatory System: English Vocabulary List

Explore 64 English words about the circulatory system with pronunciation, definitions and example sentences.

64 words Human Body — English Vocabulary
artery /ˈɑɹtɝi/ noun

any blood vessel, carrying the blood to different organs of body from the heart

"The artery carries blood."

"The blocked artery prevented blood from reaching the man's heart causing him to have a serious heart attack."

arteriole /ɑːɹtˈiəɹɪˌoʊl/ noun

a small blood vessel that connects arteries to capillaries, regulating blood flow and blood pressure in the body

"Arterioles regulate blood pressure and flow."

"Arterioles are small branches of arteries that regulate blood flow into capillaries."

blood /blʌd/ noun

the red liquid that the heart pumps through the body, carrying oxygen to and carbon dioxide from the tissues

"There was blood on the cloth."

"Blood carries oxygen through the body and keeps us alive."

blood vessel /blˈʌd vˈɛsəl/ noun

any tube structure inside the body through which blood can circulate, such as a vein, artery, etc.

"The blood vessel is narrow."

"The blood vessel transports blood throughout the body."

capillary /ˈkæpəˌɫɛɹi/ noun

(anatomy) any of the small and thin-walled branching blood vessels that connect the arterioles and venules

"A capillary is very small."

"Blood flows from arteries into tiny capillary vessels before returning through the venules and veins."

capillary artery /kˈæpɪlɚɹi ˈɑːɹɾɚɹi/ noun

a small blood vessel that connects larger arteries to capillaries, facilitating the exchange of oxygen, nutrients, and waste products in the body

"The artery connects capillaries."

"Capillary arteries connect arterioles to capillaries and help regulate local blood flow."

venule /vˈɛnuːl/ noun

a small blood vessel that carries deoxygenated blood from capillaries to larger veins

"Venules collect blood from capillaries."

"Venules collect blood from capillaries and merge to form veins that return blood to the heart."

aorta /eɪˈɔɹtə/ noun

the main artery that carries highly oxygenated blood from the heart, which has circulated through the lungs, to the rest of the body

"The aorta is the largest artery."

"The aorta is the largest artery in the body carrying oxygenated blood from the heart to the rest of the body."

red blood cell /ˈrɛd ˈblʌd sɛl/ noun

one of the many cells of red color carrying oxygen in the body

"A red blood cell carries oxygen."

"Red blood cells carry oxygen from the lungs to all tissues throughout the human body."

median cubital vein /mˈiːdiːən kjˈuːbɪɾəl vˈeɪn/ noun

a forearm vein often used for blood draws and IV catheter insertion

"The median cubital vein is used for blood draws."

"The median cubital vein is commonly used for blood draws because it is easy to locate and puncture."

ulnar artery /ˈʌlnɑːɹ ˈɑːɹɾɚɹi/ noun

a major blood vessel that supplies oxygenated blood to the forearm and hand

"The ulnar artery supplies hand muscles."

"The ulnar artery runs along the little finger side of the forearm supplying blood to the hand."

radial artery /ɹˈeɪdɪəl ˈɑːɹɾɚɹi/ noun

a major blood vessel in the forearm that delivers oxygenated blood to the hand and fingers

"The radial artery is used for pulse check."

"The radial artery runs along the thumb side of the wrist where doctors commonly feel for the pulse."

pulmonary artery /pˈʌlmənˌɛɹi ˈɑːɹɾɚɹi/ noun

the blood vessel that transports deoxygenated blood from the heart to the lungs for oxygenation

"The pulmonary artery carries blood to lungs."

"The pulmonary artery carries deoxygenated blood from the heart to the lungs for oxygenation."

pulmonary vein /pˈʌlmənˌɛɹi vˈeɪn/ noun

any of four blood vessels responsible for transporting oxygen-rich blood from the lungs back to the heart

"The pulmonary vein carries oxygenated blood."

"The pulmonary veins carry freshly oxygenated blood from the lungs back to the left atrium of the heart."

celiac trunk /sˈɛlɪˌæk tɹˈʌŋk/ noun

a major artery that supplies oxygenated blood to the abdominal organs

"The celiac trunk supplies stomach and liver."

"The celiac trunk is a major artery that supplies blood to the stomach liver and spleen."

hepatic vein /hɛpˈæɾɪk vˈeɪn/ noun

a blood vessel that carries deoxygenated blood from the liver to the inferior vena cava

"The hepatic vein drains blood from liver."

"The hepatic vein drains deoxygenated blood from the liver into the inferior vena cava."

renal vein /ɹˈiːnəl vˈeɪn/ noun

a blood vessel that carries deoxygenated blood from the kidneys to the heart

"The renal vein carries filtered blood away."

"The renal vein carries filtered deoxygenated blood away from the kidney toward the heart."

renal artery /ɹˈiːnəl ˈɑːɹɾɚɹi/ noun

a blood vessel that carries oxygenated blood from the heart to the kidneys

"The renal artery supplies blood to kidneys."

"The renal artery supplies oxygenated blood to the kidneys for filtration and waste removal."

gonadal vein /ɡˈɑːneɪdəl vˈeɪn/ noun

a vein that drains blood from the gonads (ovaries in females or testes in males) and carries it back to the heart

"The gonadal vein drains ovary or testis."

"The gonadal vein drains blood from the ovaries in females and the testes in males."

gonadal artery /ɡˈɑːneɪdəl ˈɑːɹɾɚɹi/ noun

an artery that supplies blood to the gonads (ovaries in females or testes in males) in order to support their normal function

"The gonadal artery supplies the gonad."

"The gonadal artery supplies oxygenated blood to the ovaries or testes depending on sex."

common iliac artery /kˈɑːmən ˈɪlɪˌæk ˈɑːɹɾɚɹi/ noun

a large blood vessel that arises from the abdominal aorta and branches into the left and right iliac arteries

"The common iliac artery supplies pelvis legs."

"The common iliac artery is a major branch of the aorta that supplies blood to the pelvis and legs."

common iliac vein /kˈɑːmən ˈɪlɪˌæk vˈeɪn/ noun

a large blood vessel that carries deoxygenated blood from the lower limbs, pelvis, and abdominal organs back to the heart

"The common iliac vein drains pelvis legs."

"The common iliac vein drains blood from the pelvis and legs into the inferior vena cava."

external iliac artery /ɛkstˈɜːnəl ˈɪlɪˌæk ˈɑːɹɾɚɹi/ noun

a major blood vessel that supplies oxygenated blood to the lower extremities of the body

"The external iliac artery supplies lower limbs."

"The external iliac artery continues into the leg becoming the femoral artery after passing under the inguinal ligament."

external iliac vein /ɛkstˈɜːnəl ˈɪlɪˌæk vˈeɪn/ noun

a major blood vessel that carries deoxygenated blood from the lower extremities back to the heart

"The external iliac vein drains lower limbs."

"The external iliac vein drains blood from the leg and joins the internal iliac vein to form the common iliac vein."

internal iliac artery /ɪntˈɜːnəl ˈɪlɪˌæk ˈɑːɹɾɚɹi/ noun

a major blood vessel that supplies oxygenated blood to the pelvic region and its surrounding structures in the human body

"The internal iliac artery supplies pelvic organs."

"The internal iliac artery supplies blood to the pelvic organs including the bladder rectum and reproductive organs."

internal iliac vein /ɪntˈɜːnəl ˈɪlɪˌæk vˈeɪn/ noun

a major blood vessel that carries deoxygenated blood from the pelvis and its surrounding structures back to the heart

"The internal iliac vein drains pelvic organs."

"The internal iliac vein drains blood from the pelvic organs and joins the external iliac vein."

basilar artery /bˈæzɪlɚɹ ˈɑːɹɾɚɹi/ noun

a major blood vessel in the human body that supplies oxygenated blood to the brainstem and posterior regions of the brain

"The basilar artery supplies brainstem cerebellum."

"The basilar artery supplies blood to the brainstem and cerebellum at the base of the brain."

internal carotid artery /ɪntˈɜːnəl kɚɹˈɑːɾɪd ˈɑːɹɾɚɹi/ noun

a vital blood vessel that delivers oxygenated blood to the brain and is located in the neck

"The internal carotid artery supplies brain eyes."

"The internal carotid artery supplies oxygenated blood to most of the cerebral hemispheres."

external carotid artery /ɛkstˈɜːnəl kɚɹˈɑːɾɪd ˈɑːɹɾɚɹi/ noun

a vital blood vessel in the neck that delivers oxygenated blood to structures outside the skull

"The external carotid artery supplies face neck."

"The external carotid artery supplies blood to the face scalp and neck structures."

external jugular vein /ɛkstˈɜːnəl dʒˈuːɡjʊlɚ vˈeɪn/ noun

a major superficial vein in the neck that drains blood from the scalp and face

"The external jugular vein drains the face."

"The external jugular vein drains blood from the scalp and face and is visible just under the skin of the neck."

internal jugular vein /ɪntˈɜːnəl dʒˈuːɡjʊlɚ vˈeɪn/ noun

a major vein in the neck that carries deoxygenated blood from the brain, face, and neck back to the heart

"The internal jugular vein drains brain deep face."

"The internal jugular vein drains blood from the brain and deep parts of the face and neck."

vertebral artery /vˈɜːɾɪbɹəl ˈɑːɹɾɚɹi/ noun

a blood vessel that supplies oxygenated blood to the brain and spinal cord through the vertebrae of the neck

"The vertebral artery supplies upper spinal cord."

"The vertebral arteries join to form the basilar artery and supply blood to the brainstem and cerebellum."

common carotid artery /kˈɑːmən kɚɹˈɑːɾɪd ˈɑːɹɾɚɹi/ noun

a major blood vessel that supplies oxygenated blood to the head and neck regions of the human body

"The common carotid artery supplies head neck."

"The common carotid artery splits into internal and external branches to supply blood to the head and neck."

subclavian artery /sʌbklˈæviən ˈɑːɹɾɚɹi/ noun

a major blood vessel that supplies oxygenated blood to the upper body, including the arms, neck, and chest

"The subclavian artery supplies arms chest."

"The subclavian artery supplies blood to the arms chest and neck structures."

subclavian vein /sʌbklˈæviən vˈeɪn/ noun

a large blood vessel that collects deoxygenated blood from the upper body and carries it back to the heart

"The subclavian vein drains arms chest."

"The subclavian vein drains blood from the arm and joins the internal jugular vein to form the brachiocephalic vein."

cephalic vein /sɛfˈælɪk vˈeɪn/ noun

an arm vein located near the surface of the skin, responsible for draining blood from the hand, forearm, and lateral aspects of the arm

"The cephalic vein runs along thumb side."

"The cephalic vein runs along the thumb side of the forearm and is often visible through the skin."

axillary artery /ˈæksɪlɚɹi ˈɑːɹɾɚɹi/ noun

a major blood vessel that supplies the upper arm and shoulder region

"The axillary artery supplies shoulder armpit."

"The axillary artery supplies blood to the shoulder and upper arm before becoming the brachial artery."

axillary vein /ˈæksɪlɚɹi vˈeɪn/ noun

a major vein located in the armpit region that drains deoxygenated blood from the upper limb and returns it to the heart

"The axillary vein drains shoulder armpit."

"The axillary vein drains blood from the upper arm and shoulder becoming the subclavian vein."

superior vena cava /suːpˈiəɹɪɚ vˈiːnə kˈɑːvə/ noun

a large vein that transports deoxygenated blood from the upper body to the heart

"The superior vena cava drains upper body."

"The superior vena cava returns deoxygenated blood from the upper body to the right atrium of the heart."

inferior vena cava /ɪnfˈiəɹɪɚ vˈiːnə kˈɑːvə/ noun

a large vein that carries deoxygenated blood from the lower body to the heart

"The inferior vena cava drains lower body."

"The inferior vena cava returns deoxygenated blood from the lower body to the right atrium of the heart."

descending aorta /dɪsˈɛndɪŋ eɪˈoːɹɾə/ noun

he portion of the main artery that carries oxygenated blood from the heart to the lower body

"The descending aorta carries blood downward."

"The descending aorta continues downward from the aortic arch supplying blood to the chest and abdomen."

brachial artery /bɹˈeɪʃəl ˈɑːɹɾɚɹi/ noun

a blood vessel in the upper arm that carries oxygenated blood to the muscles and tissues of the arm

"The brachial artery supplies arm muscles."

"The brachial artery is the main artery of the upper arm where blood pressure is commonly measured."

basilic vein /bæzˈɪlɪk vˈeɪn/ noun

a large vein located in the arm that carries deoxygenated blood from the hand to the axillary vein

"The basilic vein runs along pinky side."

"The basilic vein runs along the little finger side of the forearm and is often used for intravenous access."

platelet /ˈpɫeɪtɫət/ noun

a small, cell-like structure in the blood that helps in clotting and preventing excessive bleeding

"Platelets help blood clot."

"Platelets are small blood cell fragments that clump together to form blood clots and stop bleeding."

great saphenous vein /ɡɹˈeɪt sˈæfənəs vˈeɪn/ noun

a major superficial vein in the leg responsible for returning deoxygenated blood from the lower extremities to the heart

"The great saphenous vein runs along inner leg."

"The great saphenous vein runs from the foot up the inner leg and is often harvested for heart bypass surgery."

small saphenous vein /smˈɔːl sˈæfənəs vˈeɪn/ noun

a superficial vein located in the lower leg that plays a role in returning blood from the foot and lateral aspect of the leg back to the heart

"The small saphenous vein runs along outer leg."

"The small saphenous vein runs along the back of the calf and drains into the popliteal vein behind the knee."

femoral artery /fˈɛmɚɹəl ˈɑːɹɾɚɹi/ noun

a major blood vessel that carries oxygenated blood from the heart to the lower limb

"The femoral artery supplies thigh muscles."

"The femoral artery is the major artery of the thigh supplying blood to the lower limb."

femoral vein /fˈɛmɚɹəl vˈeɪn/ noun

a major blood vessel that carries oxygenated blood from the heart to the lower limb

"The femoral vein drains thigh muscles."

"The femoral vein carries deoxygenated blood from the leg back to the heart."

popliteal artery /pˈɑːplaɪɾəl ˈɑːɹɾɚɹi/ noun

the major artery located behind the knee that supplies blood to the lower leg and foot

"The popliteal artery supplies knee area."

"The popliteal artery is a continuation of the femoral artery behind the knee supplying blood to the lower leg."

popliteal vein /pˈɑːplaɪɾəl vˈeɪn/ noun

a major vein located behind the knee that carries deoxygenated blood from the lower leg back to the heart

"The popliteal vein drains the knee."

"The popliteal vein drains blood from the lower leg and becomes the femoral vein above the knee."

anterior tibial artery /æntˈiəɹɪɚ tˈɪbɪəl ˈɑːɹɾɚɹi/ noun

an artery that supplies blood to the front of the leg and foot, and is a branch of the popliteal artery located behind the knee

"The anterior tibial artery supplies shin front."

"The anterior tibial artery supplies blood to the front of the lower leg and the top of the foot."

posterior tibial artery /pɑːstˈiəɹɪɚ tˈɪbɪəl ˈɑːɹɾɚɹi/ noun

an artery that supplies blood to the posterior (back) part of the leg and foot, and is one of the two main branches of the popliteal artery located behind the knee

"The posterior tibial artery supplies calf back."

"The posterior tibial artery supplies blood to the back of the lower leg and the sole of the foot."

peroneal vein /pˈɛɹoʊnəl vˈeɪn/ noun

a blood vessel in the lower leg that carries deoxygenated blood from the lateral side of the leg back to the heart

"The peroneal vein drains calf muscles."

"The peroneal vein drains blood from the outer side of the lower leg and accompanies the peroneal artery."

peroneal artery /pˈɛɹoʊnəl ˈɑːɹɾɚɹi/ noun

an artery that supplies blood to the lateral (outer) part of the leg and foot, and is one of the two main branches of the popliteal artery located behind the knee

"The peroneal artery supplies fibula muscles."

"The peroneal artery supplies blood to the muscles on the outer side of the lower leg."

anterior tibial vein /æntˈiəɹɪɚ tˈɪbɪəl vˈeɪn/ noun

a vein that accompanies the anterior tibial artery and helps to drain blood from the front of the leg and foot, and carries it back towards the heart

"The anterior tibial vein drains shin front."

"The anterior tibial vein drains blood from the front of the lower leg and joins the popliteal vein."

arcuate artery /ˈɑːɹkjuːˌeɪt ˈɑːɹɾɚɹi/ noun

a small blood vessel in the kidneys that supplies oxygenated blood to the renal cortex

"The arcuate artery supplies kidney cortex."

"The arcuate artery is a curved vessel in the kidney that supplies blood to the glomeruli for filtration."

posterior tibial vein /pɑːstˈiəɹɪɚ tˈɪbɪəl vˈeɪn/ noun

a vein that accompanies the posterior tibial artery and helps to drain blood from the back of the leg and foot, and carries it back towards the heart

"The posterior tibial vein drains calf back."

"The posterior tibial vein drains blood from the back of the lower leg and joins the popliteal vein."

dorsal venous arch /dˈoːɹsəl vˈɛnəs ˈɑːɹtʃ/ noun

a foot vein that collects blood from the toes and top of the foot, serving as a drainage point for venous blood returning from the foot

"The dorsal venous arch drains foot top."

"The dorsal venous arch on the top of the foot drains blood from the toes and foot into other veins."

lymph vessel /lˈɪmf vˈɛsəl/ noun

a thin-walled tube that carries lymph, a clear fluid containing immune cells and waste products

"Lymph vessels carry clear fluid."

"Lymph vessels carry lymph fluid containing white blood cells throughout the body as part of the immune system."

episcleral veins /ɪpˈɪsklɚɹəl vˈeɪnz/ noun

a network of small blood vessels that reside in the outermost layer of the eye

"Episcleral veins drain the eye."

"The episcleral veins drain blood from the outer layer of the eyeball and can appear red during eye irritation."

digital artery /dˈɪdʒɪɾəl ˈɑːɹɾɚɹi/ noun

a small blood vessel that supplies oxygenated blood to the tissues of the fingers and toes

"Digital arteries supply each finger."

"The digital arteries are small vessels that supply blood to the fingers and toes."

elastic artery /ɪlˈæstɪk ˈɑːɹɾɚɹi/ noun

a large artery that stretches and recoils to accommodate blood flow from the heart, helping to maintain blood pressure

"Elastic arteries stretch during heartbeats."

"Elastic arteries have many elastin fibers allowing them to stretch and recoil with each heartbeat."

muscular artery /mˈʌskjʊlɚɹ ˈɑːɹɾɚɹi/ noun

a type of artery that has thick walls composed of smooth muscle, allowing it to regulate blood flow to specific organs or tissues

"Muscular arteries distribute blood to organs."

"Muscular arteries have thick walls with smooth muscle that regulates blood flow to specific organs."

erythrocyte /ɜːɹˈɪθɹəsˌaɪt/ noun

a specialized blood cell responsible for transporting oxygen and carbon dioxide throughout the body

"Erythrocytes carry oxygen in blood."

"Erythrocytes are red blood cells that contain hemoglobin and carry oxygen throughout the body."

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