Browsing by Author "Bogdanovic, D. (7004659175)"

Fine arterial branches on the superior surface of corpus callosum were investigated on 22 human brains under stereomicroscope. These branches were directed toward: 1. the upper surface of corpus callosum (3-6 branches, mean 8), 2. the depths of the sulcus corporis callosi (4-13 branches, mean 7), and 3. the cingulate gyrus (1-10 branches, mean 5). All the vessels composing the pericallosal pial plexus have a uniformed caliber of 0.9-0.6 mm at their origins, and 0.7-0.3 mm after branching. In 9 cases a longitudinal vessel within the stria longitudinalis medialis, connected with the pial plexus was found. Important details of morphology of this plexus and their significance are discussed.

The presence of myocardial bridges over the coronary arteries has been studied in 29 monkey (Cercopithecus aethiops) hearts. The great resemblance between the Cercopithecus subepicardial arterial net with the corresponding one in humans has been revealed. There is a high incidence (83%) of myocardial bridges only over the ventricular branches of both coronary arteries. Myocardial bridges are usually (90 %) located over the left coronary artery branches, and the left anterior interventricular branch is the most frequently (69%) overbridged vessel. The bridges are always single over the vessel examined and their length varies from 0.5 mm to 31.6 mm. No statistically significant sexual difference in myocardial bridges distribution is reported. © 1992, Gustav Fischer Verlag Jena GmbH. All rights reserved.

The presence of myocardial bridges over the coronary arteries has been studied in 29 monkey (Cercopithecus aethiops) hearts. The great resemblance between the Cercopithecus subepicardial arterial net with the corresponding one in humans has been revealed. There is a high incidence (83%) of myocardial bridges only over the ventricular branches of both coronary arteries. Myocardial bridges are usually (90 %) located over the left coronary artery branches, and the left anterior interventricular branch is the most frequently (69%) overbridged vessel. The bridges are always single over the vessel examined and their length varies from 0.5 mm to 31.6 mm. No statistically significant sexual difference in myocardial bridges distribution is reported. © 1992, Gustav Fischer Verlag Jena GmbH. All rights reserved.

The great cardiac vein is the longest venous vessel of the heart; in the majority of our cases it originated at the lower third of the anterior interventricular sulcus (58%). The great and the middle cardiac veins merge at the apex of the heart, forming together with the coronary sinus into which they both empty, a complete venous ring around the left ventricle (13%). On reaching the area of the coronary sulcus, the great cardiac vein crosses the anterior interventricular branch and the circumflex branch of the left coronary artery forming the triangle of Brocq and Mouchet in which the vein is mainly superficial (61%). One, two or three anterior ventricular branches of the left coronary artery traverse this triangle; the relations of the vein and these arteries are very variable and practically unpredictable in 30% of the cases. © 1992 Springer-Verlag.

The basic morphology and topography of the axillary nerve are described. Attention is drawn to the circumhumeral part of the nerve and its relationship to the adjacent acromion process and greater and lesser tuberosities of the humerus. Macerated specimens showed the sharp edges of these structures. Superimposition of these relationships on radiographs enables the type of axillary nerve lesion to be predicted in fractures of the shoulder region. Several interesting morphological and topographical details are given, e.g. the relationship between the cutaneous and muscular branches of the axillary nerve, and a description of the distal part of the nerve.