正中间隙,median diastema
clearance amendment间隙修正
3)normal clearance正常间隙
4)forward clearance正向间隙
5)intermedial temporal space颞中间隙
1.Objective To provide a detailed anatomic data of temporal region and evaluate the clinical application of intermedial temporal space in re-time bone graft operation.目的:获得颞区解剖学数据、探讨颞中间隙在颞区二期植骨术的临床应用价值。
6)midpalmar space掌中间隙
1.The metacarpal fascial spaces of hand, which mainly comprise the midpalmar space (MPS) and the thenar space (TS), are the potential structure that is not virtual, so that difficulties are presented in diagnosis and treatment of diseases of the metacarpal fascial spaces of hand.手掌部筋膜间隙主要包括掌中间隙和鱼际间隙,是一潜在的非实质性结构,容易给手掌部筋膜间隙疾病的认识、诊断和治疗带来困难。
延伸阅读

北郁单越日正中时【北郁单越日正中时】  谓北郁单越日正中时,西瞿耶尼日则始没,东弗婆提日则初出,南阎浮提正当半夜。