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The name of conical muscular projections to which chordae tendineae are attached in the ventricles of the human heart is/are
- a)Pectoralis muscle
- b)Ligamentum arteriosum
- c)Papillary muscles
- d)Fossa ovalis
Correct answer is option 'C'. Can you explain this answer?
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The name of conical muscular projections to which chordae tendineae a...
Papillary muscles are the conical muscular projections in the ventricles of the human heart to which the chordae tendineae are attached. These structures play an important role in the functioning of the heart, specifically in the proper closing of the atrioventricular valves (mitral and tricuspid valves).
The papillary muscles are located in the ventricles, which are the lower chambers of the heart. There are typically three papillary muscles in each ventricle, known as the anterior, posterior, and septal papillary muscles. These muscles are cone-shaped and extend from the walls of the ventricles towards the atrioventricular valves.
The chordae tendineae are strong, fibrous cords that connect the papillary muscles to the cusps of the atrioventricular valves. When the ventricles contract during systole, the papillary muscles also contract, pulling on the chordae tendineae. This tension prevents the cusps of the valves from being pushed into the atria and instead ensures that they close tightly, preventing the backflow of blood.
The papillary muscles and chordae tendineae work together to maintain the integrity of the atrioventricular valves and prevent regurgitation of blood into the atria. Without these structures, the valves would not close properly, leading to inefficient pumping of blood and potentially causing symptoms such as shortness of breath, fatigue, and fluid retention.
In summary, the papillary muscles are conical muscular projections in the ventricles of the heart to which the chordae tendineae are attached. They are essential for the proper functioning of the heart by maintaining the closure of the atrioventricular valves and preventing the backflow of blood.
The papillary muscles are located in the ventricles, which are the lower chambers of the heart. There are typically three papillary muscles in each ventricle, known as the anterior, posterior, and septal papillary muscles. These muscles are cone-shaped and extend from the walls of the ventricles towards the atrioventricular valves.
The chordae tendineae are strong, fibrous cords that connect the papillary muscles to the cusps of the atrioventricular valves. When the ventricles contract during systole, the papillary muscles also contract, pulling on the chordae tendineae. This tension prevents the cusps of the valves from being pushed into the atria and instead ensures that they close tightly, preventing the backflow of blood.
The papillary muscles and chordae tendineae work together to maintain the integrity of the atrioventricular valves and prevent regurgitation of blood into the atria. Without these structures, the valves would not close properly, leading to inefficient pumping of blood and potentially causing symptoms such as shortness of breath, fatigue, and fluid retention.
In summary, the papillary muscles are conical muscular projections in the ventricles of the heart to which the chordae tendineae are attached. They are essential for the proper functioning of the heart by maintaining the closure of the atrioventricular valves and preventing the backflow of blood.
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The name of conical muscular projections to which chordae tendineae a...
Chordae tendinae are attached to papillary muscles of ventricles
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The name of conical muscular projections to which chordae tendineae are attached in the ventricles of the human heart is/area)Pectoralis muscleb)Ligamentum arteriosumc)Papillary musclesd)Fossa ovalisCorrect answer is option 'C'. Can you explain this answer?
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