inferior colliculus 下丘 

inferior fovea 下凹 

inferior frontal gyrus 额下回 

inferior frontal suleus 额下沟 

inferior horn of lateral ventricle 侧脑室下角 

inferior longitudinal fasciculus 下纵束 

inferior petrosal sinus 岩下窦 

inferior quadrigeminal brachium 下丘臂 

inferior sagittal sinus 下矢状窦 

inferior tempotal gyrus 颞下回 

inferior tempotal suleus 颞下沟 

infundibular recess 漏斗隐窝 

infundibulum 漏斗 

infusion 注射

inhibitory area 抑制区 

inhibitory postsynaptic potential 抑制性突触后电位 

initial segment of axon 轴突起始段 

inoccipitia 枕叶缺失 

inosine 肌苷 

inositol nicotinate 烟酸肌醇酯 

inositol 肌醇 

insidious 隐袭的 

instantaneous 瞬时 

insula 岛叶 

insula, island of Reil 脑岛 

insulin 胰岛素 

intention neuralgia 肋间神经痛 

intention spasm 意向性痉挛 

intention tremor 意向性震颤 

interferon 干扰素 

interleukin-2 白细胞介素-2 

intermediolateral column 中间柱 

intermesenteric plexus 肠系膜间丛 

intermittent claudication 间歇性跛行 

intermittent cramp 间歇性痉挛 

intermittent 间歇 

internal band of Baillarger 拜劳格氏内带 

internal capsule 内囊 

internal granular layer 内颗粒层（大脑皮质） 

internal limiting membrane 内界膜 

internal medullary lamina 内髓板 

internal meningitis 硬脑膜内层炎 

internal pyramidal layer 内锥体层（大脑皮质） 

internuclear ophthamoplegia 核间性眼肌麻痹 

interoceptor 内感受器