Circulatory Routes: Arteries Flashcards
Left coronary artery
O: Ascending aorta D: Anterior interventricular branch Circumflex branch S: Heart L:
Right coronary artery
O: Ascending aorta D: Posterior interventricular branch Marginal branch S: Heart L:
Brachiocephalic trunk
O: Arch of the aorta D: R. Common carotid R. Subclavian S: R. Head, neck, upper arm L: First branch of aortic arch
Right common carotid artery
O: Brachiocephalic trunk D: R. Internal carotid artery R. External carotid artery S: Head and neck L: Posterior to R SC jt.
Internal Carotid Artery
Left and right O: Common carotid artery D: Anterior cerebral artery Middle cerebral artery Circle of Willis S: eye, ear, nose; frontal, temporal and parietal lobes; pituitary gland, pia matter L: Carotid foramen
External carotid artery
Right and left
O: Common carotid artery
D: Superficial temporal, maxillary, facial and occipital arteries. (And superior thyroid, lingual, ascending pharyngeal and posterior auricular arteries)
S: Head (skin, connective tissue, muscles, bones, joints, dura and arachnoid matter) and neck.
L: superior border of larynx
Left common carotid artery
O: aortic arch D: Left internal carotid artery Left external carotid artery S: head and neck L: Middle branch of arch of the aorta
Right subclavian artery
O: Brachiocephalic trunk
D: Right vertebral
Right axillary
S: Brain, spinal cord, neck, shoulder, thoracic muscles, scapular muscles.
L:
Has 5 branches: vertebral, dorsal scapular, internal thoracic, thyrocervical, and costocervical
Left subclavian artery
O: Arch of the aorta D: L. Vertebral artery L. Axillary artery S: Brain, spinal cord, neck, shoulder, thoracic muscles, scapular muscles. L: Third branch of arch of aorta.
Has 5 branches: vertebral, dorsal scapular, internal thoracic, thyrocervical, and costocervical
Vertebral artery
Left and right
O: subclavian artery
D: Basilar artery
Posterior cerebral artery
Circle of Willis
S: posterior cerebrum, cerebellum, pons, inner ear
L: travels through transverse foramina of C-spine; enters through foramen magnum.
Internal thoracic artery
Right and left
Also called mammary artery
O: Subclavian
D:
S: anterior thoracic wall
L: arises from first part of subclavian, descends posterior to costal cartilage to around R6. Just lateral to sternum
Axillary artery
Right and left
O: continuation of Subclavian artery
D: becomes Brachial artery
S: arm, humerus, elbow
L: inferior to RI
Brachial artery
Left and right
O: continuation of Axillary artery
D: branches into Radial and Ulnar
S: arm, humerus, elbow
L: distal border of Teres major
Ulnar artery
Right and left
O: branches from Brachial artery D: Superficial palmar arch Deep palmar arch S: anterior forearm L: begins just distal to elbow.
Radial artery
Right and left
O: branches off of Brachial D: Superficial palmar arch Deep palmar arch S: posterior forearm L: Begins just distal to elbow
Superficial Palmar Arch
Right and left
O: Ulnar plus Radial arteries D: Common palmar digital arteries Proper palmar digital arteries S: muscles, joints and bones of hands and fingers. L: superficial to long flexor tendons.
Deep Palmar Arch
Right and left
O: radial and ulnar arteries
D: palmar metacarpal arteries
S: muscles, joints, bones of hands and fingers.
L: deep to long flexor tendons
The thoracic aorta divides into:
Visceral and parietal branches
Visceral branches of Thoracic aorta
Randomly Right and left.
Pericardial
Bronchial
Esophageal
Mediastinal
Parietal branches of thoracic aorta
Posterior intercostal (skin, muscles and ribs of thoracic wall, t-spine, mammary glands).
Subcostal (skin, muscle, ribs, T-12, meninges, spinal cord)
Superior phrenic. (Superior diaphragm)
How is the abdominal aorta divided?
Parietal Branches
Visceral branches
What are the three parietal branches of the abdominal aorta?
Inferior phrenic
Lumbar
Medial sacral
What are the 6 visceral branches of the abdominal aorta
Celiac trunk Superior mesenteric Suprarenal Renal Gonadal Inferior mesenteric
How is the celiac trunk divided?
Common hepatic
- hepatic artery proper
- right gastric
- gastroduodenal
Left gastric
Splenic
- pancreatic
- left gastroepiploic
- short gastric
How is the superior mesenteric trunk divided?
Inferior pancreaticoduodenal Jejunal Ileocolic Right colic Middle colic
How is the inferior mesenteric divided?
Left colic
Sigmoid
Superior rectal
Celiac Trunk
Unpaired
O: abdominal aorta (visceral branch)
D: left gastric, splenic, common hepatic
S: GI tract (esophagus to duodenum and spleen)
L: first branch inferior to diaphragm. Arises at T12
Left gastric artery
Unpaired
O: branches off Celiac Trunk
D: anastomoses with right gastric artery
S: abdominal esophagus; lesser curvature of stomach.
L: follows lesser curve of stomach. From superior side.
Splenic artery
Unpaired
O: celiac branch
D: pancreatic, left gastroepiploic, and short gastric arteries
S: spleen, pancreas, funds and greater curvature of stomach, greater omentum
L: largest branch of celiac trunk. From left side
Common hepatic artery
Unpaired
O: celiac trunk D: Proper hepatic Right gastric Gastroduodenal S: liver, gall bladder, lesser omentum, stomach, pancreas, duodenum L: from right side of trunk
Pancreatic arteries
Unpaired (but many)
O: branch off splenic artery.
D:
S: spleen
L:
Left gastroepiploic artery
Unpaired
O: splenic artery
D:
S: greater curvature of the stomach; greater omentum
L: terminal end of splenic artery
Short gastric arteries
Unpaired
O: splenic artery
D:
S: fundus of the stomach.
L:
Proper hepatic artery
Unpaired
O: common hepatic artery
D:
S: liver, gall bladder, lesser omentum
L:
Right gastric artery
Unpaired
O: common hepatic
D: anastomoses with left gastric artery
S: stomach and lesser omentum
L:
Gastroduodenal artery
Unpaired
O: common hepatic artery
D:
S: stomach, duodenum, pancreas
L:
Superior mesenteric artery
Unpaired
O: abdominal aorta D: Inferior pancreaticoduodenal artery Jejunal artery Ileocolic artery Right Colic artery Middle colic artery S: GI tract (duodenum to transverse colon) L: L1
Inferior pancreaticoduodenal artery
Unpaired
O: branches from superior mesenteric artery
D:
S: pancreas, duodenum
L:
Jujenal artery
Unpaired
O: superior mesenteric artery
D:
S: majority of Small intestine (pancreas, duodenum)
L:
Ileocolic artery
Unpaired
O: superior mesenteric artery
D:
S: terminal ileum, cecum, appendix, ascending colon
L: inferior to right colic
Right colic artery
Unpaired
O: superior mesenteric artery
D:
S: ascending and transverse colons
L:
Middle colic artery
Unpaired
O: superior mesenteric artery
D:
S: transverse colon
L: most superior
Inferior mesenteric artery
Unpaired
O: abdominal aorta D: Left Colic artery Sigmoid arteries Superior rectal arteries S: GI tract (transverse colon to rectum) L: L3. Left of aorta
Left colic arteries
Unpaired
O: inferior mesenteric artery
D: anastomoses with sigmoid
S: transverse and descending colons
L:
Sigmoid arteries
Unpaired
O: inferior mesenteric artery
D: anastomoses with left colic
S: sigmoid colon
L:
Superior rectal arteries
Unpaired
O: inferior mesenteric arteries
D:
S: upper rectum
Suprarenal arteries
Left and right
O: abdominal aorta (middle) Inferior phrenic (superior) Renal (inferior) D: S: adrenal glands L: three pairs.
Renal arteries
Left and right
O: abdominal aorta
D:
S: kidneys
L: superior L2
Gonadal arteries
Paired
O: abdominal aorta
D:
S: gonada
L: L2. Inferior to renal arteries
Median sacral artery
Unpaired
O: abdominal aorta (parietal)
D:
S: sacrum, coccyx, sacral spinal nerve, piriformis.
L: just superior to bifurcation into right and left common iliac
Inferior Phrenjc Arteries
Paired
O: abdominal aorta (parietal)
D:
S: diaphragm, adrenal glands
L: first paired branch of abdominal aorta
Lumbar arteries
Paired
O: abdominal aorta (parietal)
D:
S: L-spine, spinal cord, meninges, skin and muscles of abdominal wall
L: 4 pairs
Common iliac arteries
Paired
O: abdominal aorta (bifurcation) D: Internal iliac External iliac S: pelvic muscles and organs, external genitals, lower limbs L: L4
Internal Iliac artery
Paired
O: Common iliac artery
D: anterior and posterior divisions of internal iliac artery
S: pelvic muscles and organs, buttocks, external genitals, medial thigh muscles.
L: bifurcation anterior to SI joint, level of lumbosacral IV disc
External iliac artery
Paired
O: common iliac artery
D: Femoral arteries
S: lower abdominal wall, cremaster muscle, round ligament, lower limb
L: begins at bifurcation of common iliac.
Femoral artery
Paired
O: external iliac artery
D: popliteal artery
S: muscles of thigh, femur, ligaments and tendons of knee
L: inguinal ligament
Popliteal artery
Paired
O: femoral
D: Anterior tibial
Posterior tibial
S: distal thigh muscles, skin of knee, proximal leg muscles, knee, femur, patella, tibia and fibula.
L: popliteal fossa/adductor Magnus tendon.
Anterior tibial artery
Paired
O: popliteal D: Doral pedis arteries Arcuate arteries Dorsal metatarsal arteries Dorsal digital arteries S: tibia, fibula, anterior leg muscles, dorsal foot muscles, tarsals, metatarsals, phalanges L: bifurcation at distal popliteus
Poaterior tibial arteries
Paired
O: popliteal D: Fibular arteries Medial plantar Lateral plantar Plantar arch Plantar metatarsal Plantar digital L: bifurcated at distal popliteus