Biology 161 Lab 4 - Blood Vessels, Lymphatics , Pressure Points, Surface Anatomy
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Transcript of Biology 161 Lab 4 - Blood Vessels, Lymphatics , Pressure Points, Surface Anatomy
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Biology 161 Lab 4 - Biology 161 Lab 4 - Blood Vessels, Blood Vessels,
Lymphatics, Pressure Lymphatics, Pressure Points, Surface Points, Surface
[email protected]@lethbridgecollege.a
b.cab.ca
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The ArteriesThe ArteriesCircle of Willis - Circle of Willis - also also
called the cerebral called the cerebral arterial circle this arterial circle this structure surrounds the structure surrounds the pituitary gland and optic pituitary gland and optic chiasma. It connects chiasma. It connects the anterior and the anterior and posterior blood supply posterior blood supply to the brain. It also to the brain. It also equalizes blood pressure equalizes blood pressure in the two brain regions in the two brain regions and provides alternate and provides alternate routes for blood to reach routes for blood to reach the brain tissue in case the brain tissue in case of blockage to the of blockage to the carotid or vertebral carotid or vertebral arteries.arteries.
The Circle of Willis
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The Circle of WillisThe Circle of Willis
Vertebral Arteries
Basilar Artery Internal CarotidArtery
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Arteries of the Neck and Arteries of the Neck and FaceFace
Superficial TemporalArtery
Common CarotidArtery
Vertebral Artery
External Carotid Artery
Internal CarotidArtery
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Arteries coming off the Arteries coming off the HeartHeart
Aorta
RightBrachiocephalic
Left CommonCarotid
Left Subclavian
Right Subclavian
Right CommonCarotid
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Arteries of the ArmArteries of the Arm
Axillary Artery Circumflex Scapular Artery
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Arteries of the Arm Cont.Arteries of the Arm Cont.Brachial Artery
Radial Artery
Ulnar ArteryMedian Artery
Superficial Palmer Arch
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Coronary Arteries (Left Coronary Arteries (Left Side)Side)
Left Coronary Artery
Anterior Descending
Artery
Circumflex Artery
Aortic Arch
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Right Coronary Artery and Right Coronary Artery and Cardiac VeinCardiac Vein
Right Coronary Artery
Great CardiacVein
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Arteries of the TorsoArteries of the Torso
Gastric Artery
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Arteries of the Torso Arteries of the Torso (Superior Mesenteric) (Superior Mesenteric)
Superior Mesenteric
Artery
Superior MesentericArtery
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Arteries of the Torso Arteries of the Torso (Inferior Mesenteric)(Inferior Mesenteric)
Inferior MesentericArtery
Inferior MesentericArtery
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Arteries of the Torso Arteries of the Torso
Hepatic Artery
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Arteries of the Torso Arteries of the Torso (Celiac Trunk)(Celiac Trunk)
Celiac Trunk
Splenic Artery
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Arteries of the Torso Arteries of the Torso (Kidneys)(Kidneys)
Renal Artery
Renal Vein
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Arteries of the Torso (Iliac Arteries of the Torso (Iliac Arteries)Arteries)
Common Iliac Artery
External Iliac ArteryInternal Iliac Artery
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Arteries of the LegArteries of the Leg
Femoral Artery
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Arteries of the LegArteries of the Leg
Anterior Tibial Artery
Popliteal Artery
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Pressure PointsPressure Points
- Are arteries that - Are arteries that when compressed when compressed can stop blood flow can stop blood flow into distal tissues into distal tissues during during hemorrhage.hemorrhage.
Superficial Temporal a.Facial a.
Carotid a.Subclavian a.
Brachial a.
Femoral a.
Popliteal a.
Dorsal Pedal a.
Radial a.
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Lymphatic SystemLymphatic System
Lymph – Lymph – Protein containing fluid Protein containing fluid transported by lymphatic vessels. transported by lymphatic vessels.
Lymphatics – Lymphatics – an elaborate system of an elaborate system of drainage vessels that collect the drainage vessels that collect the excess protein-containing interstitial excess protein-containing interstitial fluid and return it to the bloodstream.fluid and return it to the bloodstream.
Lymph Node – Lymph Node – a small lyphoid organ a small lyphoid organ that filters lymph; they contain that filters lymph; they contain macrophages and lymphocytes.macrophages and lymphocytes.
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Lymphatic SystemLymphatic System
Cervical
AxillaryThoracic
Cubital Abdominal
Popliteal
Pelvic
Inguinal
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Lymphatic SystemLymphatic System
Inguinal Lymph Nodes
Axillary Lymph Nodes
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SpirometrySpirometry
Tidal VolumeTidal Volume – The amount of air that moves into – The amount of air that moves into then out of the lungs during normal quiet then out of the lungs during normal quiet breathing.breathing.
Vital Capacity Vital Capacity – The total amount of exchangeable – The total amount of exchangeable air in the lungs. Or the total amount of air blown air in the lungs. Or the total amount of air blown out during one forced exhalation. out during one forced exhalation.
There are 3 factors which influence vital capacity:There are 3 factors which influence vital capacity:
1.) Age1.) Age
2.) Sex2.) Sex
3.) height3.) height