Results 71 to 80 of about 625 (110)
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Variability of the Ansa Cervicalis in Dogs
American Journal of Veterinary Research, 1971SUMMARY The ansa cervicalis was variable, from dog to dog, in length and in the arrangement of regional branches originating from the ansa cervicalis. An ansa (loop) was present in 23 of the 24 dogs examined. Grossly, ansae cervicales could be categorized as prefixed, median-fixed, and postfixed (9:6:9, respectively) among the dogs examined ...
R O, Benson, T F, Fletcher
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Nerve fiber analysis of ansa cervicalis–vagus communications
Anatomical Science International, 2008Communications between the ansa cervicalis and the vagus nerve, although described only as variations in many textbooks, can be observed frequently in the dissection room. Following macroscopic observation, some of such cases were subsequently dissected under surgical microscope to determine the nature of such communications.
Shyama, Banneheka +2 more
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Extracranial hypoglossal neurofibroma with a variant ansa cervicalis: a case report
Surgical and Radiologic Anatomy, 2023This case report aims to explore a rare combination of findings in a cadaver donor: variant ansa cervicalis, vagus (CN X) and hypoglossal (CN XII) nerve fusion, and extracranial hypoglossal neurofibroma.The type of ansa cervicalis variation presented in this report has been documented in less than 1% of described cases.
Chandler Dykstra +3 more
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Spasmodic Dysphonia Translocated via Reinnervated Ansa Cervicalis
Otolaryngology–Head and Neck Surgery, 2011ObjectiveIllustrate the first reported case of recurrent adductor spasmodic dysphonia (ADSD) after bilateral selective laryngeal adductor denervation‐reinnervation (SLAD‐R) surgery presenting with dystonia of the strap muscles and adductors of the larynx.MethodA 40‐year‐old man presented with ADSD.
Adam DeConde +3 more
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Ansa Cervicalis Nerve: Review of the Topographic Anatomy and Morphology
The Laryngoscope, 1997AbstractIn recent years, there has been a proliferation of techniques utilizing the ansa cervicalis nerve to reinnervate the paralyzed larynx. The anatomic course and morphology of the ansa cervicalis are complicated by the variable course and location along the great vessels of the neck, as well as the significant differences observed in the ...
D K, Chhetri, G S, Berke
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Anatomy of the ansa cervicalis: Nerve fiber analysis
Anatomical Science International, 2008Ansa cervicalis complex, which innervates the infrahyoid muscles, is formed by the union of two roots derived from the anterior primary rami of the first three or four cervical spinal nerves. According to its relationship with the internal jugular vein, there are three ansa types: medial, lateral, or mixed.
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Unusual Origin of the Ansa Cervicalis Observed During Carotid Endarterectomy
Annals of Vascular Surgery, 2010The surgical approach of the carotid artery for carotid endarterectomy demands knowledge of normal anatomy and anatomic variation. During carotid endarterectomy, a rare anatomic variant of the origin of the upper root of the ansa cervicalis was found.
Ryan E, Accord +3 more
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[Paralyzed face. Ansa-cervicalis-nervi-hypoglossi].
Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen, 2005For 100 years hypoglossal-facial nerve anastomosis (HFA) has been a common surgical procedure for reanimation of paralyzed mimic muscles of the face after axotomy of the facial nerve. However, the denervation and subsequent scarred degeneration of the target muscles of the hypoglossal nerve often results in unfavorable late effects for speech and ...
J, Schipper +4 more
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Restoration of Physiologic Vocal Fold Abduction With the Ansa Cervicalis Nerve
Archives of Otolaryngology - Head and Neck Surgery, 1983An attempt was made to restore physiologic abduction of the vocal fold using the ansa cervicalis nerve. In adult dogs, the ansa cervicalis nerve was anastomosed to the abductor branch of the recurrent laryngeal nerve. In the four surviving dogs, abduction of approximately 50% to 70% of normal was restored synchronous with inspiration.
D H, Rice, F D, Burstein
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Descendens vagohypoglossi: rare variant of the superior root of ansa cervicalis
British Journal of Oral and Maxillofacial Surgery, 2017Knowledge of variants in the formation and position of the ansa cervicalis is important in head and neck surgery, specifically in reconstructions of the tongue that use the infrahyoid muscles, and in the anastomosis of the ansa cervicalis to the recurrent laryngeal nerve when the laryngeal muscles have been paralysed.
S B, Nayak +4 more
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