Where are chordae tendineae located?

The chordae tendineae (singular: chorda tendinea, is rarely used) are thin strong inelastic fibrous cords that extend from the free edge of the cusps of the atrioventricular valves (the tricuspid and mitral valves) to the apices of the papillary muscles within the right and left ventricles respectively.

What are the types of trabeculae carneae?

They are of three kinds: some are attached along their entire length on one side and merely form prominent ridges, others are fixed at their extremities but free in the middle, while a third set (musculi papillares) are continuous by their bases with the wall of the ventricle, while their apices give origin to the …

What type of tissue is trabeculae carneae?

The trabeculae carneae are muscular, columnar protrusions found on the internal surface of the ventricles, the main pumping chambers of the heart.

What is the function of Columnae Carneae?

Muscular ridges or columns projecting from the inner walls of the heart ventricles. Their structure is important to their role. Had the inner surface of heart ventricles been flat, suction could occur and this would impair the heart’s ability to pump efficiently.

Where are the trabeculae carneae located in the heart?

The trabeculae carneae (columnae carneae, or meaty ridges), are rounded or irregular muscular columns which project from the inner surface of the right ventricle of the heart.

Where is the moderator band of the trabeculae carneae located?

Trabeculae carneae – Trabeculae carneae. A muscular band, well-marked in sheep and some other animals, frequently extends from the base of the anterior papillary muscle to the ventricular septum. From its attachments it may assist in preventing overdistension of the ventricle, and so has been named the moderator band (Septomarginal trabecula).

Which is the correct definition of The trabeculæ carneæ?

The trabeculæ carneæ ( columnœ carneœ) are rounded or irregular muscular columns which project from the whole of the inner surface of the ventricle, with the exception of the conus arteriosus.

Why are trabeculae important to a healthy heart?

Their fractal branching pattern helps to maintain cardiac performance in both healthy and failing hearts by increasing contractility and stroke work. Trabecular morphology is also important to intraventricular conduction, suggesting these complex structures are involved in cardiac electrophysiology as well as mechanical function.