...、多尿、糖尿。【鉴别诊断】(一)第四脑室肿瘤(tumor of fouth ventricle) 第四脑室肿瘤时,早期则出现颅高压症状,多为间歇性,有时与头位有关。急速转颈,可致头痛、呕吐加剧。晚期患者头痛明显,多在枕部,并向颈背及两肩扩散...
...局部检查可有鼻粘膜充血、鼻甲肥大等。(二)颅底肿瘤(tumor of the bast of the skull) 以嗅沟脑膜瘤最为常见,病人常有慢性头痛与精神障碍。因嗅神经受压产生一侧或两侧嗅觉丧失。随着肿瘤的生长产生颅内高压症状,颅脑CT...
...1868年,瑞士的内科医生Friedrich Miescher从外科医院包扎伤口的绷带上的脓细胞核中提取到一种富含磷元素的酸性化合物,将其称为核质(nuclein);后来他又从鲭鱼精子中分离出类似的物质,并指出它是由一种碱性蛋白质与一种...
...reflection frame the barren riverbanks huge shapes of misty cloud merge into distant mansions upside-down, many images spread on ...
...Practice no-action; Attend to do-nothing; Taste the flavorless, Magnify the small, Multiply the few, Return love for ...
...RNA,才能表现其生物活性。图17-1 Expression of genetic information bytranscription.[Note:RNAs shown are eukaryotic.]...
...原处,也可能存活。附图23 软组织裂伤(左唇、颊部)颌面部伤口的缝合要细致,创缘对位要平齐,缝合皮肤要用小针细线,特别是眼睑、鼻、唇等部位,更要仔细缝合。由于颌面部组织的再生能力强,在伤后24~48小时之内均可在清创后严密缝合;甚至超过48...
...Too much colour blinds the eye, Too much music deafens the ear, Too much taste dulls the palate, Too much play maddens ...
...Nothing in the world is as soft and yielding as water, Yet nothing can better overcome the hard and strong, For they ...
...咽角化症(keratosis of pharynx)是咽部淋巴组织上皮细胞过度角化所致,多发生于腭扁桃体和舌扁桃体,以及咽后壁与咽侧索淋巴组织。发生原因尚不清楚。【临床表现】可以完全没有症状,常无意中发现咽部白点,也可有咽部不适、异物感、...
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