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A series of 80 dissections was performed to define the anastomoses between the cervical plexus and the hypoglossal nerve (XII), the superior anastomosis between the trunk of XII and the ansa of the atlas from the cervical plexus; the ansa cervicalis, traditionally known as the ansa of the XIIth cranial nerve or hypoglossal ansa, formed by the direct(More)
Anatomy textbooks say that the motor branch of the long head of the triceps brachii (LHT) arises from the radial nerve. Some clinical observations of traumatic injuries of the axillary nerve with associated paralysis of the LHT have suggested that the motor branch of the LHT may arise from the axillary nerve. This anatomic study was performed, using both(More)
The ligamentum flavum, of which there are only a few studies in the literature, has several features discussed in this work. On the macroscopic level, it has a metameric arrangement: it has two layers, superficial and deep, whose fibers are opposite, and it has close relations with the tendons of attachment of some spinal erector muscles. On the microscopic(More)
Studies on the innervation of the sternocleidomastoid muscle have shown the highly variable arrangement of the nerve fibers originating from the accessory nerve (eleventh cranial pair) and cervical nerves which supply the muscle. The results of 100 dissections described in this study confirmed these variations and led to propose a classification of the(More)
The angle of the jaw is innervated by the auricular branch of the superficial cervical plexus (SCP). Cervical cutaneous nerves of the CP carry the sensation from the antero-lateral cervical skin. It is clinically relevant to identify the cervical cutaneous nerve distribution and the nerve point using superficial landmarks but published studies describing(More)
A serie of 20 dissections carried out in the anatomy Laboratory enabled us to make a close observation of the middle meatus of the nasal cavity. Certain anatomical parts such as the bulla, the unciform process, the ostia of the maxillary and frontal sinus are relatively set in their positions, but quite variable in their shape and size. This knowledge is(More)
An exact study was made of the middle nasal meatus in 20 anatomical preparations (left and right) from 10 subjects. Some features (the ethmoidal bulla, the uncinate process of the ethmoidal bone, the openings of the maxillary and frontal sinuses) are relatively constant in their arrangement, but very variable in shape and size. An understanding of these(More)
The data on the fasciocutaneous vascularisation of the medial aspect of the arm are incomplete in the literature. This study presents the methodology and results of an anatomic study on 19 upper limbs with arterial injection. The vascularisation of the upper part of this region is provided in 68% of cases by the superficial fasciocutaneous branch (SFCB) of(More)
100 dissections performed in the Anatomy Laboratory have made it possible to clarify certain details relating to the cervical trajectory of the accessory nerve (traditionally called the 11th or spinal nerve), its relationship with the jugular vein, with the S.C.M. muscle, its position on the anterior and posterior edges of the S.C.M. and on the anterior(More)
The vascular and nervous structures and their relations with the spinal nerve roots were examined in the 2nd, 3rd and 4th posterior sacral foramina in relation to percutaneous needle insertion for neuromodulation. A foraminal branch provided by the lateral sacral artery to each foramen entered the inferior lateral quadrant of each foramen, adjacent to the(More)