The Cardiac Cycle
The cardiac cycle is the sequence of events in one heartbeat.
In its simplest form, the cardiac cycle is the simultaneous contraction of the two atria, followed a fraction of a second later by the simultaneous contraction of the two ventricles. Systole is another term for contraction. The term for relaxation is diastole.
You are probably familiar with these terms as they apply to blood pressure readings. If we apply them to the cardiac cycle, we can say that atrial systole is followed by ventricular systole. There is, however, a significant difference between the movement of blood from the atria to the ventricles and the movement of blood from the ventricles to the arteries.
Followings are links to further understand the subject matter.
bcs.whfreeman.com/thelifewire/content/chp49/49020.html

library.med.utah.edu/kw/pharm/hyper_heart1.html

anatimation.com/cardiac/intro.html

www.mhhe.com/biosci/ap/seeleyap/student/olc2/ap_animation-quizzes.html
Good Day
Regards,
Mukesh Patel
In its simplest form, the cardiac cycle is the simultaneous contraction of the two atria, followed a fraction of a second later by the simultaneous contraction of the two ventricles. Systole is another term for contraction. The term for relaxation is diastole.
You are probably familiar with these terms as they apply to blood pressure readings. If we apply them to the cardiac cycle, we can say that atrial systole is followed by ventricular systole. There is, however, a significant difference between the movement of blood from the atria to the ventricles and the movement of blood from the ventricles to the arteries.
Followings are links to further understand the subject matter.
bcs.whfreeman.com/thelifewire/content/chp49/49020.html
library.med.utah.edu/kw/pharm/hyper_heart1.html

anatimation.com/cardiac/intro.html
www.mhhe.com/biosci/ap/seeleyap/student/olc2/ap_animation-quizzes.html
Good Day
Regards,
Mukesh Patel
Fabulous illustrative animations in Anatomy Physiology.
Dear Readers,
A charming & warming Good morning to everybody.
Please find very nice animations to understand concepts of Human Anatomy & physiology with special reference to medical science.

You are requested to follow this link of University of Pennsylvania - Medical Animation Library. The link is as follows: www.pennmedicine.org/health_info/animationplayer/
Happy Reading; Learn with Fun.
Thanks & Best Regards,
Mukesh Patel
A charming & warming Good morning to everybody.
Please find very nice animations to understand concepts of Human Anatomy & physiology with special reference to medical science.

You are requested to follow this link of University of Pennsylvania - Medical Animation Library. The link is as follows: www.pennmedicine.org/health_info/animationplayer/
Happy Reading; Learn with Fun.
Thanks & Best Regards,
Mukesh Patel
Well begining is half complete
Hi Friends,
This is Mukesh Patel.
Today 22th of December I have started my Blog on Human Anatomy & Physiology.
All of you are requested to be in touch & post comments
Best Regards,
Mukesh Patel
45 - Lymph nodes of Neck
*The lymph nodes of the neck can be divided into six levels within the defined anatomic triangles. These groups and the areas that they drain are particularly important when locating and working up a "neck mass" or possible malignancy. The groups and drainage areas are as follows:
I--Submental and submandibular nodes
II--Upper jugulodigastric group
III--Middle
44 - Coronary sinus
*The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart.
*It is present in humans and other animals.
*The coronary sinus opens into the auricle, between the inferior vena cava and the auriculo-ventricular opening.
*It returns the blood from the substance of the heart, and is protected by a
43 - Adductor canal (Subsartorial/Hunter's canal)
*The adductor canal (Subsartorial/Hunter’s canal) is an aponeurotic tunnel in the middle third of the thigh, extending from the apex of the femoral triangle to the opening in the Adductor magnus, the Adductor hiatus.
*It courses between the anterior compartment of thigh and the medial compartment of thigh, and has the following boundaries:
1. anterolaterally - the Vastus
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