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61 Cards in this Set
- Front
- Back
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Inner layer of endothelium
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Tunica Intima......scandalous
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Middle layer of endothelium
Smooth muscle Elastic tissue |
Tunica Media
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Outermost layer of endothelium
Fibrous connective tissue |
Tunica Externa
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More muscular that veins
Withstand systole |
Arteries
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Very thin walls
Materials are exchanged here btwn blood and tissue fluid Where O2 exchange occurs |
Capillaries
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Thinner walls than arteries because of reduced pressure
Low pressure necessitates need for venous valves |
Veins
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Pulmonary circuit:
Exit from the RV & Branches into the Pulmonary arteries |
Pulmonary trunk
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Left and Right Pulmonary arteries
Branch and enter the..... |
Lobar artery
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There is one for each lobe of lung
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Lobar artery
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Part of pulmonary circuit
Enters the Left Atrium With O2 blood |
Pulmonary veins
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Systemic circuit:
Supplies heart muscle |
Right and left
Coronary arteries |
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Arterial Branch of Aortic Arch:
Serves the right arm and part of the bwaaainz |
Brachiocephalic Artery
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Arterial Branch of Aortic Arch:
Serves brain, head and neck |
Left Common Carotid
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Arterial Branch of Aortic Arch:
Serves left arm and part of the brain |
Left Subclavian
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Arterial Branches of Thoracic Aorta
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Intercostal
Bronchial Esophageal Phrenic In Bolivia Everyone Pets...CAts |
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Part of Thoracic Aorta:
Supply the muscles of the thorax wall |
Intercostal Artery
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Thoracic Aorta:
Supply the lungs |
Bronchial artery
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Thoracic Aorta:
Esophagus |
Esophageal artery
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Thoracic Aorta:
Diaphragm |
Phrenic arteries
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Arterial Branches of Abdominal Aorta
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Celiac Trunk ....Cats
Superior Mesenteric Sassy Renal Rich Gonadal Girls Lumbar Love Inferior Mesenteric Interesting Common Iliac Cars |
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Abdomnial Aorta:
First branch Serves stomach, spleen and liver |
Celiac Trunk
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Ab. Aorta:
Serves Intestines |
Superior mesenteric
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Ab. Aorta:
Serves the kidneys |
Renal
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Ab. Aorta:
Serves gonads |
Gonadal
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Ab. Aorta:
Serves posterior ab. wall |
Lumbar
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Ab. Aorta:
Serves the second half of the large intestine |
Inferior Mesenteric
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Ab. Aorta:
Serve lower ab. wall, pelvic viscera and lower limbs |
Common Iliac...or perhaps not so common
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Vein:
Drains the thorax |
Azygos vein
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Veins that Drain into SUPERIOR Vena Cava (4 ish)
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Radial/Unlar
Cephalic Basilic Subclavian |
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Veins Drain into inferior Vena Cava
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Tibial
Peroneal Saphenous Common Iliac R Gonadal Renal Hepatic portal Hepatic |
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Connects pulmonary trunk to aorta
In fetus: bypasses the liver, (no need for liver to be filtering) |
ductus arterious
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Special Circulation:
Series of connecting blood vessels that encircle the base of the brain Provide more than one route for the blood to reach the brain |
Circle of Willis
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Special Circulation:
Veins that drain the digestive organs, spleen and pancreas Veins (not arteries)Feed the liver(unusual) |
Hepatic Portal Circulation
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Storehouse for Glycogen
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Liver
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Alternating expansion and recoil of an artery
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Arterial Pulse
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Blood Pressure:
Highest Pressure |
Systolic
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BP:
Heart relaxes No more lub-dubbing noise |
Diastolic
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Factors & BP:
Friction between blood and vessels |
Peripheral Resistance
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Factors & BP:
Sympathetic division causes vasoconstriction which raises blood pressure |
Neural Factors
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Factors & BP:
Retain of release water to regulate blood pressure |
Renal, Kidneys
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BP:
Produced to raise blood pressure |
Renin, in renal/kidneys
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BP:
Lower temperature causes_______ |
Vasoconstriction
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High blood pressure
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Hypertension
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Low blood pressure
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Hypotension
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Allow fluid to flow out of capillaries
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Cleft
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Capillary:
Small passages or pores |
Fenestrated capillaries
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All blood vessels that take deO2 blood from the Right Ventricle to the Heart
and Return O2 blood to Left Atrium |
Pulmonary circuit
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Blood vessels that transport oxygenated blood to the body are part of the ________ circuit
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Systemic circuit
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Where gas exchange happens
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Capillaries
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Wall of vessel made of simple squamous epithelium
Flat cells permit O2 &CO2 to diffuse |
Capillary
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Natural byproduct of cellular respiration
Diffuses form the body cells into the capillary |
Carbon Dioxide
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Used in process of cellular respiration
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Oxygen
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Graph of heart's electrical activity
Expressed in Millivolts (mV) |
ECG or EKG
Electrocardiogram Electrocardiograph |
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In a typical lead II recording, three waves appear
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P
QRS T |
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Atrial depolarization
At the end of this wave, both atria have depolarized |
P wave
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Ventricular depolarization
at the end of this wave, both ventricles have depolarized Atrial depo. also occurs at this time, but is masked |
QRS complex
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Ventricular repolarization
Both ventricles have RELAXED |
T wave
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Two types of variations that signal abnormalities in ECG
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Wave height (elevated or depressed)
Variation in normal time intervals |
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Normal time interval:
P-R interval |
Time from beginning of P wave to start of QRS complex; 0.2 seconds
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Normal time interval:
time from end of S wave to beginning of T wave; 0.1 sec |
S-T segment
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Normal time interval:
Time from beginning of QRS complex to end of T wave; 0.4 sec |
Q-T segment
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