retrograde transneuronal degeneration

例句：

1. 1. This disease is characterized by retrograde transneuronal degeneration.
   这种疾病的特点是逆行神经元退行性变。
2. 2.The patient's condition worsened with the progression of time, exhibiting retrograde transneuronal degeneration.
   随着时间的进展，患者的病情恶化，表现出逆行神经元退行性变。
3. 3. The research focused on understanding the mechanisms underlying retrograde transneuronal degeneration.
   该研究专注于理解逆行神经元退行性变背后的机制。