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Name the structure between the left atrioventricular valve and the papillary muscle?
The chordae tendineae connect the AV valve and the papillary muscle. These structures work together to prevent backflow from the ventricle to the atrium.
What is the most common cause of papillary muscle dysfunction?
The most common cause of papillary muscle dysfunction is coronary artery disease, which can lead to myocardial infarction (heart attack) and damage to the papillary muscles. This can result in mitral valve regurgitation due to insufficient closure of the mitral valve leaflets.
What muscle forearm flexors no role in supination?
The pronator teres muscle is a forearm muscle that plays a role in pronation (rotating the palm downwards), and not in supination (rotating the palm upwards).
Does the papillary layer produce the pattern for fingerprints?
Yes, the papillary layer of the dermis is responsible for creating the unique pattern of fingerprints that are formed during fetal development. The ridges and valleys in the skin are formed by the papillary layer pushing up against the overlying epidermis, creating the distinct fingerprint pattern.
How are the nuclei distributed within skeletal muscle cells and what role do they play in muscle function?
The nuclei in skeletal muscle cells are located on the periphery, near the cell membrane. These nuclei are important for controlling protein synthesis and cell repair in muscle cells. They play a crucial role in regulating muscle growth, repair, and adaptation to exercise.
What muscle is attached to the chordae tendineae?
papillary muscles
Does the papillary muscle surround the pericardial sac?
No
Structure from which chordae tendineae originate?
Chordae tendinae is attached to papillary muscle and the valves.
What is the muscle that attached to chordae tendinae?
papillary muscles
Where are the papillary muscle?
inside the left and right ventricle
Is the papillary muscle only present on the left side of the heart?
no.
Name the structure between the left atrioventricular valve and the papillary muscle?
The chordae tendineae connect the AV valve and the papillary muscle. These structures work together to prevent backflow from the ventricle to the atrium.
What papillary muscle surrounds the pericardial sac?
There are papillary muscles IN the ventricles of the heart which keep the tricuspid and the mitral valves (AV valves) closed.
What are the small muscle masses attached to the chordae tendineae?
papillary muscles
What is the significant name for heart muscle?
cardiac muscle. a type of cardiac muscle is the papillary muscles attach to the lower portion of the interior wall of the ventricles. They connect to the chordae tendineae, which attach to the tricuspid valve in the right ventricle and the mitral valve in the left ventricle. The contraction of the papillary muscles opens these valves. When the papillary muscles relax, the valves close.
What muscle pulls the tendinous cords?
The papillary muscles pull on the tendinous cords
What is the most common cause of papillary muscle dysfunction?
The most common cause of papillary muscle dysfunction is coronary artery disease, which can lead to myocardial infarction (heart attack) and damage to the papillary muscles. This can result in mitral valve regurgitation due to insufficient closure of the mitral valve leaflets.
