您要查找的是不是：
- terior median fissure 前正中裂
- posterior median fissure of medulla oblongata 延髓后(背侧)正中沟
- posterior median fissure of spinal cord 脊髓后(背侧)正中沟
- anterior median fissure of medulla oblongata 延髓前(腹侧)正中裂
- anterior median fissure of spinal cord 脊髓前(腹侧)正中裂
- Medulla oblongata ventral median fissure 延髓腹中裂
- ventral median fissure of medulla oblongata 延髓前(腹侧)正中裂
- dorsal median fissure of medulla oblongata 延髓背侧正中裂
- terior median line 前正中线
- A narrow opening, such as a crack or fissure. 裂缝如裂缝或缝隙之类狭窄的裂口
- But there was worse to come. Just ahead of us there was a huge fissure. 不过接着就更糟了。前面不远出现了一条巨大的地裂。
- anterior median fissure 前正中裂
- The state of being split or cleft; a fissure or division. 分裂，裂缝劈开或裂开的状态; 裂缝或分裂
- posterior median fissure [医] 后正中沟
- A deep fissure, as in a glacier; a chasm. 裂隙极深的裂缝，如冰川的裂隙；裂口
- A partial split or break; a fissure. 碎裂，裂缝部分破裂或裂开；裂缝
- A median point, plane, line, or part. 中点，中间平面，中线或中间部分
- A narrow crack or opening;a fissure or cleft. 裂隙一个狭小的裂口或开口；裂缝
- The median groove of a diatom valve. 阀缝硅藻阀上的中槽
- Fissure Just ahead of us there was a huge fissure. 离我们前面不远处,出现了一个大裂缝。
