The heart wall Flashcards
What are the three layers of the heart wall?
the endocardium, the myocardium, the epicardium
Which is the innermost layer?
The endocardium
What type of cells make up the endocardium?
loose connective tissue, simple squamous epithelial cells
What is the function of the endocardium?
regulates contraction, aids cardiac embryological development
The ___________layer joins the endocardium and the myocardium
subendocardial layer
What is found in the subendocardial layer?
loose fibrous tissue, vessels and nerves, purkinje fibres
Which layer of the heart is made of cardiac muscle, and is responsible for contractions of the heart?
myocardium
The _______layer joins the myocardium and the epicardium
subepicardial layer
Which layer is formed by the visceral layer of the pericardium?
The epicardium
What type of tissue secretes small amounts of lubricating fluid into the pericardial cavity?
connective tissue (from the epicardium)
The epicardium is made up of__________
connective tissue, fat, simple squamous epithelial cells