. The comparative anatomy of the domesticated animals. Veterinary anatomy. ANASTOMOSING MUS- CULAR FIBRES OP MUSCULAR WHORL AT THE POINT OF THE HEART. HEART. 1, Vortex or whorl with small opening in the middle; 2, auricle; 3, intercrossing of the anterior and posterior unitive or uniting fibres. auriculo-ventricular zones through the medium of the chordfe tending that directly connect these fibrous rings with the summits of the muscular pillars. All the fibres do not reach the point of the heart to ascend to the fibrous zones ; a certain number are reflected at different heights in the layer t
. The comparative anatomy of the domesticated animals. Veterinary anatomy. ANASTOMOSING MUS- CULAR FIBRES OP MUSCULAR WHORL AT THE POINT OF THE HEART. HEART. 1, Vortex or whorl with small opening in the middle; 2, auricle; 3, intercrossing of the anterior and posterior unitive or uniting fibres. auriculo-ventricular zones through the medium of the chordfe tending that directly connect these fibrous rings with the summits of the muscular pillars. All the fibres do not reach the point of the heart to ascend to the fibrous zones ; a certain number are reflected at different heights in the layer they form, and Gerdy has compared them to a number of horns placed one within the other, and flattened as are the walls of the ventricles. Such is the general disposition of the unitive fibres of the ventricles : and it will be seen that they form a superficial and a deep or reflected plane, between which are comprised the fasciculi proper to each ventricular cavity. The unitive fibres of the ventricles, therefore, form collectively a kind of figure 8, the smallest loop of which is at the point of the heart; there the fibres are heaped together, leaving in the centre of the loop a very small space, through which it is possible to pass a probe into the ventricle, without piercing anything but the external and internal serous membranes of the organ. 2. Fibres of the Auricles.—The fibres of the auricles are either common to the two cavities, or proper to Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Chauveau, A. (Auguste), 1827-1917; Arloing, S. (Saturnin), 1846-1911; Fleming, George, 1833-1901. New York, D. Appleton
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