单词unmyelinated-fiber
网络: 无髓鞘神经纤维；无鞘神经纤维；无髓纤维
In young and old rats, there was no significant differences of all unmyelinated fiber parameters between male and female rats.
年轻组与老年组的各项指标中雄性与雌性动物间均不存在显著的性差别。