Related Experiment Video
Updated: Aug 15, 2026

08:04
Murine Fetal Echocardiography
Published on: February 15, 2013
[Single ventricle. New embryological-anatomical classification. I. Pathology and physiology]
Summary
This study defines single ventricle, a heart malformation lacking an interventricular septum. It proposes a new classification based on outflow tract location and great vessel arrangement, aiding understanding of associated defects.
Area of Science:
- Cardiology
- Developmental Biology
- Pathology
Context:
- Single ventricle is a complex congenital heart malformation with varied nomenclature.
- Existing classifications do not fully capture the anatomical variations.
- Understanding its embryological basis is crucial for diagnosis and management.
Purpose:
- To define single ventricle and its anatomical variations.
- To propose a novel embryological-anatomical classification system.
- To describe pathological characteristics and associated defects.
Summary:
- The study examines twelve necropsy-proven cases of single ventricle.
- A new classification is introduced, categorizing cases by outflow tract situs and conotruncal morphology (e.g., crossed great vessels, transposition, truncus arteriosus).
- Pathological features, physiopathology, and associated defects are detailed for each category.
Impact:
- Provides a standardized classification for single ventricle malformations.
- Enhances understanding of the embryological origins and anatomical spectrum.
- Aids in diagnosis, surgical planning, and research for congenital heart disease.
Related Concept Videos
Anatomy of the Heart
The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
Anatomy of the Brain: Ventricles
There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen. The...
Chambers of the Heart
The human heart is a complex organ made up of four chambers: the right and left atria and the right and left ventricles. These internal chambers are separated by partitions known as the interatrial and interventricular septa. The exterior of the heart features a groove known as the coronary sulcus that demarcates the atria from the ventricles, while the anterior and posterior interventricular sulci distinguish between the two ventricles.
Deoxygenated blood from the body is received in the right...
Deoxygenated blood from the body is received in the right...
Development of the Heart
The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...
Anatomy of the Heart
The heart is a hollow, muscular organ approximately the size of a fist, consisting of four chambers. It is enclosed in the pericardium, a fibrous sac with two layers: the visceral and parietal pericardium, separated by a fluid-filled space containing serous fluid to reduce friction.
The heart has three layers: the innermost endocardium, the muscular myocardium, and the outer epicardium, all working together for optimal cardiac function.
Chambers of the Heart
The heart is made up of four...
The heart has three layers: the innermost endocardium, the muscular myocardium, and the outer epicardium, all working together for optimal cardiac function.
Chambers of the Heart
The heart is made up of four...
Cardiomyopathy I: Introduction and Classification
Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...

