Transcript Lec. 6 - Blood Vesse..

Vessel Circulation and
Blood Vessels
PBP Summer 2014
Nikeshia Dunkelly-Allen
[email protected]
1
2
3
4
5
6
7
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
Aortic arch
Ligamentum arteriosum
RPA
LPA
RL
PVV
LL
PT
LA
RV
9
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
AA
RCA
LCA
11
RCA
AA
LCA
Circumflex a.
Marginal a.
Post. Intervent a.
Ant. intervent a.
12
13
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
R. common carot.
R. subclavian a.
L. common carot.
Brachiocephalic
trunk
L. subclavian a.
Aortic Arch
Line/2nd rib
15
16
Common Carotid A.
Its branches supply:
 Upper neck
 Head
Branches:
 External carotid a.
 Internal carotid a.
17
Internal carotid a.
External carotid a.
(To cranial cavity)
(To facial region)
Common carotid a.
18
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
Superficial temporal a.
Post. auricular a.
Occipital a.
Maxillary a.
Facial a.
Ligual a.
Asc. Pharyngeal a.
Sup. thyroid a.
External carotid a.
20
4
5
3
2
1
Identify
21
Internal carotid a.
Its branches supply:
 Brain
 Cranial nerves
Branches:
 Middle cerebral a.
 Ophthalmic a.
 Anterior cerebral a.
 Posterior communicating a.
22 of the vetebral arteries system]
[ICA branches anastomose with those
Anterior cerebral a.
Posterior
communicating a.
Ophthalmic a.
Middle cerebral a.
Internal carotid a.
23
Subclavian a.
[Begins at or close to the aortic arch and ends at the 1st
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
Vetebral a.
Thyrocervical trunk
Costocervical trunk
1st rib
Axillary a.
Subclavian a
Int. thoracic a.
25
Arterial Circle of Willis
Ant. communicating a
Ant. cerebral a.
Mid. cerebral a.
ICA
Post. communicating a
Post. cerebral a.
Superior cerebellar a.
Labyrinthine a.
Vetebral a.
Ant. inf. cerebellar a. - AICA
26
Post. Inf. cerebellar a. - PICA
27
28
1
2
3
4
5
6
7
Identify
29
Axillary a.
(Extends from the 1st 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
2
1st rib
5
Ulnar a.
Axillary a.
Brachial a.
Subclavian a.
Deep brachial a.
1
3
4
6
Teres major tendon
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
Radial a.
Brachial a.
Branches:
 Deep brachial a.
 Radial a.
 Ulnar a.
Brachial is used to measure blood pressure and
pulse.
32
Ulnar a.
Brachial a.
Deep brachial a.
Radial a.
Radial artery is used to measure pulse rate at the wrist.
33
Palmar
arches
Descending Thoracic aorta
[Extends from the manubriosternal line/2nd rib to the aortic
hiatus/T12 level]
Its branches supply:
 Thoracic wall
 Bronchi
 Esophagus
 Diaphragm
Branches:
 Bronchial a.
 Esophageal a.
 Posterior intercostal aa.
 Superior phrenic aa.
34
Bronchial a.
Post. Intercostal aa.
Esophageal aa.
Phrenic a.
35
Aortic hiatus/T12 level
Descending Abdominal
Aorta
[Extends from aortic hiatus/T12 level to L4 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
Abdominal
Aorta
Inf. phrenic a.
Mid. Supra-renal a.
Paired
Branches
Renal a.
Lumbar aa.
Gonadal a.
Common iliac a.
Ext. iliac a.
Int. iliac a.
37
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
Abdominal
Aorta
Celiac trunk
Unpaired
Branches
Superior mesenteric a.
Inferior mesenteric a.
Middle sacral a.
39
Common Iliac A.
Branches:
 External iliac a./femoral a./tibial a.
 Internal iliac a. (supplies pelvic organs including
external genitalia)
40
Abdominal aorta a.
Common iliac a.
External Iliac a.
41
Internal iliac a.
EJV
Int. jugular v.
Ext. jugular v.
Subclavian v.
SUBCV
Brachiocephalic v.
Brachiocephalic v.
Azygous v.
SVC
IVC
Hepatic v.
Mid. supra-renal v.
Renal v.
Lumbar vv.
Common iliac v.
42
Portal System
Liver
Capillary
Bed II
G-I Tract
Capillary Bed I
43
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
THE END
45
Sources
• Dr. Aziz Fall 2013 Power Point
46