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Systemic circulation.

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Presentation on theme: "Systemic circulation."— Presentation transcript:

1 Systemic circulation


3 Ascending aorta R & L coronary artery

4 Coronary Circulation: Veins
Figure 20.9a, b

5 Thoracic aorta Intercostals aa. Bronchial aa. Esophageal aa.

6 Abdominal Aorta & Branches
Continuation of thoracic aorta Begins T12 where it pierces the diaphragm Ends L4 where divides into common iliacs Situated on posterior abdominal wall, left of midline

7 Subphrenic T12 Celiac trunk L. gastric a. Splenic a. Common hepatic a. Superior mesenteric a. Renal aa. (R. & L.) Gonadal aa. (R. & L.) Ovarian aa. Testicular aa. Lumbar aa. Inferior mesenteric a. Common iliac aa. (R. & L.) Internal iliac a. External iliac a

8 Figure 18.21c


10 Superior mesenteric Inferior mesenteric

11 Arteries to the Neck, Head, and Brain
subclavian artery : Vertebral artery Thyrocervical arteries Cerebral arterial circle (Circle of Willis)

12 subclavian artery : Vertebral artery Thyrocervical arteries
Cerebral arterial circle (Circle of Willis)

13 External carotid artery
Neck Pharynx Esophagus Larynx Mandible face



16 Arteries of Upper Limb and Shoulder


18 Lower limb arteries

19 Figure 18.22b, c

20 Arteries of Lower Limb

21 Gross Anatomy of Blood Vessels

22 Systemic Circulation: Veins
Return blood from body to right atrium Major veins Coronary sinus (heart) Superior vena cava (head, neck, thorax, upper limbs) Inferior vena cava (abdomen, pelvis, lower limbs) Types of veins Superficial Deep sinuses

23 External jugular veins
Internal jugular veins Brachiocephalic veins

24 SVC

25 Veins from Upper Limb and Shoulder
Deep veins radial vein ulnar vein brachial vein axillary vein Superficial network basilic cephalic Median vein



28 Veins from Lower Limb and Pelvis
Deep veins: anterior and posterior tibial veins popliteal vein femoral vein external iliac vein Superficial veins: Small saphenous Great saphenous (longest vein in the body – medial side of leg and thigh) Pelvic region: internal iliac vein Internal iliac artery + External iliac artery= Common iliac arteries


30 Systemic veins (IVC) Veins derange to IVC 1- renal vein 2- lumbar vein
3- Adrenal vein 4- gonadal vein 5- Inferior phernic vein


32 The Vein Of Thorax The azygos veins The hemiazygos vein
The accessory hemiazygos vein

33 Systemic veins (SVC)

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