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Semilunar

semilunar

Shaped like a half moon.

(Science: anatomy) Semilunar bone, the valves at the beginning of the aorta and of the pulmonary artery which prevent the blood from flowing back into the ventricle.

(Science: anatomy) The semilunar bone.


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Please Help - The Heart

... division increases heart rate and its parasympathetic division slows heart rate 6. Cardiac Sounds “Lub” as the AV valves close, “dup” as the semilunar valves close 7. Cardiac Output Heart Rate X Stroke Volume; the amount of blood pumped into systemic circulation in 1 minute 8. Cardiac Cycle ...

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by PleaseHelp
Sun Feb 21, 2010 10:03 pm
 
Forum: General Discussion
Topic: Please Help - The Heart
Replies: 5
Views: 7440

Opening of the coronary artery & larynx

... system. My educated guesses for the questions are below. Thanks. --- 1. Why is the opening of the coronary artery behind the flap of the aortic semilunar valve? This was a question on a test and I received an X for this question. On the test, I wrote: "This is so that blood flow from the ...

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by vertciel
Sat May 31, 2008 12:04 am
 
Forum: Human Biology
Topic: Opening of the coronary artery & larynx
Replies: 1
Views: 5705

EKG Graph

... relaxation in the 'flatline' segment between T-wave and P-wave. That's why the second heartsound occurs after the T-wave: the closing of the semilunar valves.

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by sdekivit
Tue Mar 07, 2006 8:42 pm
 
Forum: Human Biology
Topic: EKG Graph
Replies: 2
Views: 7093

valves

Yes...C is correct...I do agree that d could also be the cause but typically stenosis is the problem with the semilunar valves....

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by cardiorrhexis
Sat Mar 04, 2006 9:52 pm
 
Forum: Human Biology
Topic: valves
Replies: 3
Views: 3163

valves

incomplete closing of the_____ valves will cause heart _____ respectively. a) atrioventricular, atherosclerosis b) semilunar, atherosclerosis c) atrioventricular, murmurs d) semilunar, murmurs e) atrioventricular, phlebitis i believe is c, any opinions??? thanx

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by isabell
Sat Mar 04, 2006 2:44 am
 
Forum: Human Biology
Topic: valves
Replies: 3
Views: 3163
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