Abnormal Motor Reflexes and Dormant Facial Motor Neurons in Rats with Facial–Facial Anastomosis  

Oleh:

Chen, P. ; Song, J. ; Luo, L.H. ; Zhong, G.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The Journal of International Medical Research vol. 37 no. 03 (May 2009), page 705-716.
Topik: Abnormal Motor Reflexes

Ketersediaan

Perpustakaan FK Nomor Panggil: J11.K.2009.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

After facial nerve injury, some post-paralysis sequelae, such as synkinesis, hemispasm and ‘crocodile tears’ syndrome appear. The psychosocial impact of these sequelae is unavoidable. Despite recent advances and the growing popularity of this field, the pathophysiological mechanisms of facial nerve injury and regeneration are still not well understood. In this report, an abnormal motor reflex coincident with synkinetic facial movement was examined in a rat model using the blink reflex technique. Some dormant facial motor neurons were found which could not innervate through the suture site but remained alive. These results suggest that such dormant neurons might exert roles distinct from those of re-innervated neurons during facial nerve injury and regeneration. Further study is required to elucidate the biomolecular structure and electrophysiological features of such neurons.

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