This section is about
Structures of the Heart
This septum between the two ventricles is thickest at the lowest part of its structure. The upper part of the interventricular septum is called the membranous part of the septum. As it raises upwards within the heart it tapers off to becomes a mass of muscular fibres consisting of fibrous tissue covered by two layers of endocardium.
More about the heart and blood circulation:
See the following for more about the heart, blood, blood circulation, disorders of the blood circulation system, and related topics.
- The Structure of the Heart
- The Functions of the Heart
- Systemic Circulation (i.e. blood flow around the body beyond the heart and lungs)
- Pulmonary Circulation (i.e. blood flow through the heart and lungs)
- Heart Conditions, heart problems and disorders, both chronic and acute
- Heart Disease Risk Factors, avoidable and unavoidable
- Discoveries about the circulatory system and how it works
- Books about heart disease.