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Blood Vessels

Terms in this set (49)

Aortic arch
Curves to left over top of heart and travels inferiorly to fourth thoracic vertebra
Thoracic aorta
Continuation of aortic arch to diaphragm
Coronary Arteries
Paired vessels branching off base of ascending aorta ; supply wall of heart
Brachiocephalic artery
First branch off aortic arch; very short, then divides into two branches
Right common carotid artery
Medial branch of brachiocphalic; supplies head and neck
Right subclavian artery
Lateral branch of brachiocephalic; supplies R. upper limb
Right axillary artery
Continuation of R. subclavian a.
Right brachial artery
Continuation of R. axillary a.; divides at elbow into vessels
Right radial artery
Lateral branch of brachial a.; lies along radius commonly used of taking pulse at wrist
Right ulnar artery
Medial branch of brachial a.; lies along ulna
Left common carotid artery
Second branch off aortic arch.; supplies head and neck
Left subclavin artery
Third branch off aortic arch.; supplies L. upper limb
Intercostal artries
Serveral sets of paired, parietal branches to back and chest muscles
Abdominal aorta
Passes through aortic hiatus in disphragm and travels through abdominopelvic cavity just left of the vertebral column to level of fourth lambar vertrbra
Celiac trunk
First branch off abdominal aorta; single, short artery which divides into three branches
Left gastric artery
Passes upward and left; supplies stomach
Hepatic artery
Gives rise to numerous branches; supplies liver, gallbladder, stomach, and small intestine
Splenic artery
Largest branch off celiac; gives rise to several branches; supplies spleen, stomach, and pancreas.
Superior mesenteric artery
unpaired branch about 1 cm inferior to celiac a .; supplies small and large intestine, especially former
Renal arteries
Large lateral branches just inferior to superior mesenteric: supply kidneys
Testicular arteries
Long Slender vessels which arise below renal aa.; descend to testes
Ovarian arteries
Vessels which arise below ranal aa.; extend into pelvic cavity to ovaries
Inferior mesenteric artery
Anterior unpaired vessel arising supperior to end of adominal aorta
Supplies large intestine
Internal iliac artery
arises from common iliac arteries descends in pelvis supplies muscles and urinary and reproductive structures
External ilac artery
Continuation of common iliac a. after the smaller internal iliac a branches off descends to inguinal ligament
Femoral artery
Continuation of external iliac a into thight supplies lower limb abdominal wall and inguinal region
Brachiocephalic veins
Paired tributaries that unite to form supperior vena cava
Internal jugular vein
Descends on side of neck to medial end of clavicle unites with subclavian v and forms brach. v drains brain face and neck
Subclavian vein
Continuation of axillary vein unites with internal jugular v. Drains upper limb and scalp and face through external jugular v.
External jugular vein
Superficial vein that drians into cubclavian vien drains scalp and face
Axillary vein
Formed by union of a superfical vien the basilic v. and a deep vein drains upper limb
Brachial veins
Deep veins formed at elboy by union of radial and ulnar drains hand and forearm
Azygos vein
Arises near kidney ascends on right side of vertebral column arches over root of r. lung and driains into superior vena cava
Intercostal veins
Tributaries of azygos system
Hepatic veins
Empty directly into inferior vena cava drains liver
Renal veins
Large paired vessels extending from kidney to inferior vena cava
Testicular veins
Long veins extending from testes R. testicular empties into inferior vena cava the left unites with L. renal
Ovarian veins
Extend from ovaries right empties into inferior vena cava and left unties with L. renal
Internal iliac vein
Tributary of common iliac v. receives numerous tribuaries that drain pelvic region
External iliac vein
Aries at inguinal canal and ascends to jion internal iliac v. drains pelvis and lower limb
Femoral vein
Aries in medial thigh and ascends to inguinal ligament where its continues as external ilac drains deep thigh
Great saphenous vein
LONGEST VEIN in BODY arises on medial side of food and ascends to goin where it empties into feromral v. Recieves blood from froot and superfical leg and thigh
Placenta
Organ where substances are exchanged between fetal and maternal capilliares but blood does not mix
Umbilical cord
Paired vessesl arising from internal iliac carries deoxygenated nutrient poor blood from fetus to placenta
Umbilical vein
Single vessel carrying oxygenated nutrient enriched blood to fetus connected to inferior vena cava by a vessels called the ductus venosus
Foramen ovale
Opening in wall between atria of fetal heart covered by a flap of tissue allows blood to bypase pulmonary circulation
Ductus arteriosus
Short bessel connecting fetal pulmonary trunk to aorta allows blood to bypass lungs
Fossa ovalis
Adult remnant of foramen ovale thinnest portion of interatrial wall
Ligamentum arteriosum
Remnant of ductus arteriosus in adult
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