一般系指病因不明的周圍性 面神經(jīng)麻痹。起病急,多為單側(cè),病初 可有耳內(nèi)或耳后疼痛,常有發(fā)燒、耳鳴、聽力困難及頸項(xiàng)強(qiáng)硬,繼而出現(xiàn)受累側(cè)表情肌遲 緩性癱瘓,表現(xiàn)為額肌、皺眉肌、眼輪匝肌、鼻 肌、口周圍肌、頸闊肌等功能喪...[繼續(xù)閱讀]

    is applied to those cases of peripheral facial paralysis in which the e tiology is unknown. It is acute in onset and almost always unilateral. Initially, pain within or behind the ear is complained of Frequently there is fever,tinnitus,difficulty in heari...[繼續(xù)閱讀]

    簡稱丘腦,是一大的卵圓形 團(tuán)塊,位于第三腦室的兩側(cè),間腦的背 側(cè)部,斜跨大腦腳的上端。其前端狹小,略向 前上方隆凸,構(gòu)成丘腦前結(jié)節(jié);后端膨大,稱 為枕,突向背外側(cè),遮蓋在內(nèi)側(cè)膝狀體的背外 方;內(nèi)側(cè)面上有一灰質(zhì)橫橋,稱丘腦間粘合...[繼續(xù)閱讀]

    is a very large oval mass consisting chiefly of gray substance. It is located at the dorsal part of the dien cephalon and obliquely across the rostral end of the cerebral peduncle and betweenthe two thalami is the third ventricle,a deep median cleft. The ...[繼續(xù)閱讀]

    位于丘腦髓板和中線核之 間,向前伸達(dá)腹前核,后方接中央中核 和束旁核。主要由一些小型和大型細(xì)胞組 成。背內(nèi)側(cè)核與情緒、情感活動(dòng)有關(guān)。...[繼續(xù)閱讀]

    is located between the nuclei of the midline and the internalmedullary lamina,extending anteriorly to the anterior ventral nucleus and connect ing posteriorly with the centromedian nu cleus and the parafascicular nucleus. It is composed of small and large...[繼續(xù)閱讀]

    是丘腦外側(cè)核群腹側(cè)組最前 面的部分,沿內(nèi)髓板背緣延伸。此核 主要接受來自腹外側(cè)核和腹后核的纖維。其 傳出纖維至扣帶回后部。...[繼續(xù)閱讀]

    is the most ante rior part of the ventral group of the lateralnuclei of the thalamus,extending along the dorsal border of the internal medullary lamina. It recieves mainly the fibers from the ventral lateral nucleus and the ventral posterior nucleus. Effe...[繼續(xù)閱讀]

    Loss of proprioception (joint position sensation etc. ) may result in poorly judged movement, the mcoordi nation becoming aggravated when the eyes are closed. It is often seen in spinal cord diseases....[繼續(xù)閱讀]

    是腰叢的分支,由第2～3 腰神經(jīng)的纖維組成,于腰大肌內(nèi)側(cè)緣 近骨盆上口處分出,在輸尿管的外側(cè)、髖總 動(dòng)脈背方下行進(jìn)入小骨盆,繼行于閉孔內(nèi)肌表面,與閉孔血管伴行,最后穿經(jīng)閉膜管入 股部,分為前、后支。其肌支支配閉孔外 肌、大...[繼續(xù)閱讀]