engleski

Muscle omotransversarius in the beaver

The research was carried out on four beavers. The research deals with the shoulder blade and corporal muscles. M. latisimus dorsi extend from tuberositas teres of the humeral bone to facsia lumbodorsalis and there is a narrower and shorter muscle which ends in aponeurosis at the height of the thirt and fourth rib. M. omotransversarius is divided into two parts: the first part begins in the distal thirt of spina scapulae and ends in the ventral part of massa lateralis, while the second cranial part begins in the ventral quarter of the margo cranialis of the scapula and ends in the lingual bone (os hyoideum). This part of m. omotransversarius is a separet muscle which is better be named or m. scapulohyoideus. M. brachiocephalicus ends in pars mastoidea on the processus mastoideus in one part and in the occipital bone and cervical vertebra in the other part, without a particulary noticable division into pars occipitalis and pars cervicalis. The clavicular bone is well developed (it is about 6 cm long) and fitted in m. brachiocephalicus. It is connected to the shoulder joint in the side, it is free in the medial side and has a capitated extension with a diameter of 1-1, 5 cm.

beaver; m. omotransversarius; anatomy

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