Question:
Body Fluids and Circulation: The inner surface of the ventricle is thrown into a series of irregular muscular ridges called ______?
Body Fluids and Circulation: The inner surface of the ventricle is thrown into a series of irregular muscular ridges called ______?
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Do not confuse columnae carneae with papillary muscles. Papillary muscles are connected to the valves, while columnae carneae are structural ridges.
Updated On: Jan 12, 2026
- Chordae tendineae
- Columnae carneae
- Papillary muscles
- Endocardium
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The Correct Option is B
Solution and Explanation
The columnae carneae are muscular ridges found on the inner surface of the ventricles. Their primary functions include:
Enhancing the strength and integrity of the ventricular walls.
Preventing the walls from sticking together during contraction.
Assisting the papillary muscles by anchoring the chordae tendineae, which in turn control valve movement.
These structures play a significant role in the efficient pumping of blood by the heart. ---
Final Answer: \[ \boxed{\text{Columnae carneae}} \]
Enhancing the strength and integrity of the ventricular walls.
Preventing the walls from sticking together during contraction.
Assisting the papillary muscles by anchoring the chordae tendineae, which in turn control valve movement.
These structures play a significant role in the efficient pumping of blood by the heart. ---
Final Answer: \[ \boxed{\text{Columnae carneae}} \]
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