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Vessel Circulation and Blood Vessels PBP Summer 2014 Nikeshia Dunkelly-Allen 1.

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Presentation on theme: "Vessel Circulation and Blood Vessels PBP Summer 2014 Nikeshia Dunkelly-Allen 1."— Presentation transcript:

1 Vessel Circulation and Blood Vessels PBP Summer 2014 Nikeshia Dunkelly-Allen 1

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8 Pulmonary Circuit Function: Oxygen uptake and carbon dioxide removal Components :  [R. ventricle]  [Pulmonary valve]  Pulmonary trunk (de-oxygenated blood)  R. pulmonary a.  L. pulmonary a.  Pulmonary veins (oxygenated blood)  [L. atrium] 8

9 RV PT RPA LPA RL LL LA PVV Aortic arch Ligamentum arteriosum 9

10 Ascending Aorta [Begins in the L. ventricle; ends at the line across the sternal angle/2nd rib] [Its branches form part of the coronary circuit] Branches:  R. coronary a.  Nodal branch  R. marginal a.  Posterior interventricular a.  L. coronary a.  Circumflex a.  Anterior interventricular a. 10

11 AA RCA LCA 11

12 AA RCALCA Circumflex a. Ant. intervent a. Marginal a. Post. Intervent a. 12

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14 Aortic Arch Its branches supply:  Upper limbs  Neck  Head  Chest wall Branches:  Brachiocephalic trunk  R. common carotid a.  R. subclavian a.  L. common carotid a.  L. subclavian a. 14

15 Aortic Arch Line/2 nd rib Brachiocephalic trunk R. subclavian a. R. common carot. L. common carot. L. subclavian a. 15

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17 Common Carotid A. Its branches supply:  Upper neck  Head Branches:  External carotid a.  Internal carotid a. 17

18 Common carotid a. External carotid a. Internal carotid a. (To facial region)(To cranial cavity) 18

19 External Carotid a. Its branches supply:  Upper neck  Facial region  Scalp  Meninges Branches:  Superior thyroid a.  Ascending pharyngeal a.  Ligual a.  Facial a.  Occipital a.  Posterior auricular a.  Maxillary a.  Superficial temporal a. 19

20 External carotid a. Sup. thyroid a. Ligual a. Facial a. Maxillary a. Superficial temporal a. Post. auricular a. Occipital a. Asc. Pharyngeal a. 20

21 Identify 21

22 Internal carotid a. Its branches supply:  Brain  Cranial nerves Branches:  Middle cerebral a.  Ophthalmic a.  Anterior cerebral a.  Posterior communicating a. [ICA branches anastomose with those of the vetebral arteries system] 22

23 Internal carotid a. Anterior cerebral a. Posterior communicating a. Ophthalmic a. Middle cerebral a. 23

24 Subclavian a. [Begins at or close to the aortic arch and ends at the 1 st rib] Its branches supply:  Brain stem  Chest wall  Lower neck  Shoulder Branches:  Internal thoracic a.  Vertebral a.  Thyrocervical trunk  Costocervical trunk [The vertebral aa join to form the basilar a. whose branches anastomose with those of ICA to form the arterial circle of Willis whose branches supply the brain] 24

25 Subclavian a Int. thoracic a. Vetebral a.Thyrocervical trunk Costocervical trunk 1 st rib Axillary a. 25

26 Arterial Circle of Willis Ant. cerebral a. Ant. communicating a Mid. cerebral a. ICA Post. communicating a Post. cerebral a. Superior cerebellar a. Labyrinthine a. Ant. inf. cerebellar a. - AICA Vetebral a. Post. Inf. cerebellar a. - PICA 26

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29 Identify 29

30 Axillary a. (Extends from the 1 st rib to the tendon of teres major muscle) Its branches supply:  Armpit area  Chest wall  Shoulder  Proximal humerus Branches  Highest thoracic a.  Thoraco-acromial a.  Lateral thoracic a.  Subscapular a.  Anterior humeral circumflex a.  Posterior humeral circumflex a. 30

31 Subclavian a. Axillary a. 1 st rib Teres major tendon Brachial a. Deep brachial a. Radial a. Ulnar a. 1.Highest thoracic a. 2.Thoraco-acromial a. 3.Lateral thoracic a. 4.Subscapular a. 5.Anterior humeral circumflex a. 6.Posterior humeral circumflex a. 31

32 Brachial a. Branches:  Deep brachial a.  Radial a.  Ulnar a. Brachial is used to measure blood pressure and pulse. 32

33 Brachial a. Deep brachial a.Radial a. Ulnar a. Palmar arches Radial artery is used to measure pulse rate at the wrist. 33

34 Descending Thoracic aorta [Extends from the manubriosternal line/2 nd rib to the aortic hiatus/T 12 level] Its branches supply:  Thoracic wall  Bronchi  Esophagus  Diaphragm Branches:  Bronchial a.  Esophageal a.  Posterior intercostal aa.  Superior phrenic aa. 34

35 Esophageal aa. Bronchial a. Post. Intercostal aa. Phrenic a. Aortic hiatus/T 12 level 35

36 Descending Abdominal Aorta [Extends from aortic hiatus/T 12 level to L 4 level] Paired Branches:  Inferior phrenic aa [diaphragm]  Middle supra-renal aa. [supra-renal glands]  Renal aa. [kidneys]  Gonadal aa. (gonads]  Testicular aa.  Ovarian aa.  Lumbar aa. [back]  Common iliac aa. [lower limbs; pelvic cavity] 36

37 Inf. phrenic a. Mid. Supra-renal a. Renal a. Gonadal a. Lumbar aa. Common iliac a. Ext. iliac a. Int. iliac a. Abdominal Aorta Paired Branches 37

38 Descending Abdominal Aorta Unpaired branches [to the digestive organs] Branches:  Celiac trunk [to foregut]  Left gastric a.  Common hepatic a.  Splenic a.  Superior mesenteric a. [to midgut]  Middle colic a.  Right colic a.  IIiocolic a.  Inferior mesenteric a. [to hindgut]  Left colic a.  Sigmoid aa.  Superior rectal a.  Middle sacral a. 38

39 Celiac trunk Superior mesenteric a. Inferior mesenteric a. Middle sacral a. Abdominal Aorta Unpaired Branches 39

40 Common Iliac A. Branches:  External iliac a./femoral a./tibial a.  Internal iliac a. (supplies pelvic organs including external genitalia) 40

41 External Iliac a. Common iliac a. Abdominal aorta a. Internal iliac a. 41

42 SVC Azygous v. Brachiocephalic v. Subclavian v. Ext. jugular v. Int. jugular v.EJV SUBCV Brachiocephalic v. IVC Hepatic v. Mid. supra-renal v. Renal v. Lumbar vv. Common iliac v. 42

43 Portal System G-I Tract Liver Capillary Bed I Capillary Bed II 43

44 Some important organs receiving blood from two independent sources. 1.Brain 2.Lungs 3.Liver 4.Pancreas 5.Duodenum 6.Transverse colon 7.Rectum 44

45 THE END 45

46 Sources Dr. Aziz Fall 2013 Power Point 46


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