Digital Histology
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Atrioventricular valve

The leaflets of atrioventricular valves are folds of endocardium covered with endothelium on their free surfaces.  The core of each leaflet consists of dense irregular connective tissue that is continuous with the annulus fibrosus. Also seen is the attachment point for one of the chordae tendineae, fibrous cords which extend from the valve leaflet to one of the papillary muscles.   400x

Endothelium <p>The leaflets of atrioventricular valves are folds of endocardium covered with endothelium on their free surfaces.  The core of each leaflet consists of dense irregular connective tissue that is continuous with the annulus fibrosis. Also seen is the attachment point for one of the chordae tendineae, fibrous cords which extend from the valve leaflet to one of the papillary muscles.   400x</p>

Endothelium

The leaflets of atrioventricular valves are folds of endocardium covered with endothelium on their free surfaces.  The core of each leaflet consists of dense irregular connective tissue that is continuous with the annulus fibrosis. Also seen is the attachment point for one of the chordae tendineae, fibrous cords which extend from the valve leaflet to one of the papillary muscles.   400x
Connective tissue <p>The leaflets of atrioventricular valves are folds of endocardium covered with endothelium on their free surfaces.  The core of each leaflet consists of dense irregular connective tissue that is continuous with the annulus fibrosis. Also seen is the attachment point for one of the chordae tendineae, fibrous cords which extend from the valve leaflet to one of the papillary muscles.   400x</p>

Connective tissue

The leaflets of atrioventricular valves are folds of endocardium covered with endothelium on their free surfaces.  The core of each leaflet consists of dense irregular connective tissue that is continuous with the annulus fibrosis. Also seen is the attachment point for one of the chordae tendineae, fibrous cords which extend from the valve leaflet to one of the papillary muscles.   400x
Attachment of chordae tendineae <p>The leaflets of atrioventricular valves are folds of endocardium covered with endothelium on their free surfaces.  The core of each leaflet consists of dense irregular connective tissue that is continuous with the annulus fibrosis. Also seen is the attachment point for one of the chordae tendineae, fibrous cords which extend from the valve leaflet to one of the papillary muscles.   400x</p>

Attachment of chordae tendineae

The leaflets of atrioventricular valves are folds of endocardium covered with endothelium on their free surfaces.  The core of each leaflet consists of dense irregular connective tissue that is continuous with the annulus fibrosis. Also seen is the attachment point for one of the chordae tendineae, fibrous cords which extend from the valve leaflet to one of the papillary muscles.   400x
Main SlideEndotheliumConnective tissueAttachment of chordae tendineae