ARTERIA CAROTIDA EXTERNA PDF

Carotid bifurcation CB , which is one of the place where the atherosclerotic plaques are most commonly seen. The surgical procedure of these plaques which causes cerebral vascular accident CVA is carotid endarterectomy. In this surgical procedure, the knowledge of the anatomical courses and variations of the carotid artery increased the surgery performance. In our study, we aimed to introduce the course, the location and the variation of the ECA's and their branches. This study is carried out on multidetector computerized tomography angiography of the ECA's of 50 men and 50 women, totally ECA's right, left. The location of the CB was determined and its vertical distance to the gonion measured.

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The external carotid artery begins at the upper border of thyroid cartilage, and curves, passing forward and upward, and then inclining backward to the space behind the neck of the mandible, where it divides into the superficial temporal and maxillary artery within the parotid gland. It rapidly diminishes in size as it travels up the neck, owing to the number and large size of its branches. At its origin, this artery is closer to the skin and more medial than the internal carotid, and is situated within the carotid triangle:.

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Toggle navigation. At its origin, this artery is closer to the skin and more medial than the internal carotid, and is situated within the carotid triangle: The external carotid artery is covered by the skin, superficial fascia, Platysma, deep fascia, and anterior margin of the Sternocleidomastoideus; it is crossed by the hypoglossal nerve, by the lingual, ranine, common facial, and superior thyroid veins; and by the Digastricus and Stylohyoideus; higher up it passes deeply into the substance of the parotid gland, where it lies deep to the facial nerve and the junction of the temporal and internal maxillary veins.

Medial to it are the hyoid bone, the wall of the pharynx, the superior laryngeal nerve, and a portion of the parotid gland. Lateral to it, in the lower part of its course, is the internal carotid artery. Posterior to it, near its origin, is the superior laryngeal nerve; and higher up, it is separated from the internal carotid by the Styloglossus and Stylopharyngeus, the glossopharyngeal nerve, the pharyngeal branch of the vagus, and part of the parotid gland.

As the artery travels upwards, it supplies: In the carotid triangle: Superior thyroid artery, arising from its anterior aspect Ascending pharyngeal artery - arising from medial, or deep, aspect Lingual artery - arising from its anterior aspect Facial artery - arise from its anterior aspect Occipital artery - arising from its posterior aspect Posterior auricular artery - arising from posterior aspect The external carotid artery terminates as two branches: Maxillary artery Superficial temporal artery This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia.

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Arteria occipital

The external carotid artery begins at the upper border of thyroid cartilage, and curves, passing forward and upward, and then inclining backward to the space behind the neck of the mandible, where it divides into the superficial temporal and maxillary artery within the parotid gland. It rapidly diminishes in size as it travels up the neck, owing to the number and large size of its branches. At its origin, this artery is closer to the skin and more medial than the internal carotid, and is situated within the carotid triangle:. Alguns cookies necessitam seu consentimento.

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Triángulo carotídeo

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