What is the epicardium quizlet?
What is the epicardium quizlet?
Epicardium – the outer layer of the wall of the heart. It is composed of connective tissue covered by epithelium. The epicardium is also known as the visceral pericardium.
What is in the epicardium?
The epicardium, or the innermost layer of the pericardium, is the outermost layer of the heart itself. It is composed of mesothelial cells, fat, and connective tissue. It is adjacent to the myocardium, the middle muscular layer.
What is the epicardium layer?
The epicardium is a mesothelial cell layer which contributes to the coronary vessels and myocardium and acts as an important source of trophic signals to maintain continued growth and differentiation of the developing heart.
Which structure is also called the epicardium quizlet?
The parietal pericardium is also called the epicardium. The pericardium consists of two layers, the parietal pericardium and the epicardium.
What is endocardium quizlet?
The endocardium. The most inner layer of tissue that lines the chambers of the heart. It protects the valves and heart chambers. The myocardium. The layer of tissue that is in between the endocardium and the epicardium.
What is endocardium function?
Anatomic function: A tissue covering the inside of the heart, the endocardium keeps the blood flowing through the heart separate from the myocardium, or cardiac muscles. It also lines the valves, which open and close to regulate blood flow through the chambers of the heart.
What type of muscle is the epicardium?
The epicardium is the outermost layer of the heart. It is actually the visceral layer of the serous pericardium, which adheres to the myocardium of the heart. Histologically, it is made of mesothelial cells, the same as the parietal pericardium.
What is another word for the epicardium?
The inner part of the pericardium that closely envelops the heart is, as stated, the epicardium; it is also called the visceral pericardium.
What is the endocardium quizlet?
The endocardium is the inner most layer. It also lines the valves and is continuous with the blood vessels. The smooth layer allows blood to easily flow over it.
What is the root of epicardium?
The word [epicardium] is composed by the prefix [epi-], meaning “outer” or “above”; the root term [-card-], meaning “heart”; and the suffix [-ium], meaning “layer” or “membrane”. Thus, the word means “outer layer of the heart”.
Where is the epicardium muscle found?
The epicardium is a serous, nonmuscular, membrane that surrounds the heart and is located adjacent to the compact myocardium in the zebrafish heart.
Is pericardium the epicardium?
Anatomy. The pericardium is a dual-layered structure enveloping the heart and proximal great vessels. It consists of an inner visceral pericardium (also called the epicardium when in contact with the myocardium), and an outer parietal pericardium, composed of layers of collagen fibrils and elastin fibers.
What is the function of the epicardium in the heart?
The epicardium is an evolutionarily conserved layer of mesothelium covering the outermost cell layer of the vertebrate heart. During fetal development, the epicardium serves as a progenitor source, contributing multipotent cells that give rise to cardiac mesenchyme.