2022
DOI: 10.1590/acb370803
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Anatomical description of the extratemporal facial nerve under high-definition system: a microsurgical study in rats

Abstract: To describe the microsurgical anatomical aspects of the extratemporal facial nerve of Wistar rats under a high-definition video system. Methods: Ten male Wistar rats (12-15 weeks old), without veterinary diseases, weighing 220-280 g, were used in this study. All animals in this study were submitted to the same protocol and by the same surgeon. A 10-mm incision was made below the bony prominence of the right or left ear, and extended towards the angle of the mandible. The dissection was performed and the main b… Show more

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Cited by 2 publications
(2 citation statements)
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“…Although BBFN is important for innervating rat vibrissae, it is not the only one that performs this function; therefore, the paralysis is not complete with its disruption [ 68 , 69 ]. However, BBFN denervation causes a significant functional loss, as observed in our results.…”
Section: Discussionmentioning
confidence: 99%
“…Although BBFN is important for innervating rat vibrissae, it is not the only one that performs this function; therefore, the paralysis is not complete with its disruption [ 68 , 69 ]. However, BBFN denervation causes a significant functional loss, as observed in our results.…”
Section: Discussionmentioning
confidence: 99%
“…Therefore, regarding the functional analysis, BBFN is not the only one that provides motor innervation to rat vibrissae. When we only denervate this branch, we should not expect complete functional loss and total paralysis [ 69 , 70 ]. In the denervated group (DGn and DGl) there was loss of movement after 6 weeks, without total paralysis, probably due to having received innervation from another terminal branch of the facial nerve, such as the zygomatic.…”
Section: Discussionmentioning
confidence: 99%