给实验大鼠鞘内注射羧苄索龙（一种特殊的间隙连接阻滞剂），向对照组大鼠注射生理盐水。
Experimental rats were intrathecally injected with carbenoxolone, a special gap junction blocker, and the control rats with the saline.
显微镜观察表明在烟草发根的维管束中柱鞘细胞、水稻根皮层细胞内和细胞间隙有根瘤菌存在。
The observation under microscope showed that the rhizobia were present in percycle cells of vascular system of the tobacco hairy roots and in cortex cells and intercellular spaces of rice roots.
异物存留部位：胸锁乳突肌内6例，甲状腺内3例，气管旁1例，颈鞘旁2例，甲状软骨浅层3例，会厌前间隙1例。
Site: 6 cases in sternocleidomastoid muscle, 3 cases in thyroid, 1 cases in para tracheal, 2 cases near carotid sheath, 3 cases in superficial lamella, 1 case in pre-epiglottis space.
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