The metathoracic accessory pulsatory organ is very small and has no direct channels connecting the dorsal vessel, but there is a pulsating membrane without muscle.
后胸辅搏动器很小，与背血管无直接通道，具有一个没有肌肉的搏动膜。
They were documenting the dorsal fins of sharks, as part of an identification program, when a 10-foot-long great white shark suddenly landed on their vessel.
那天在莫斯湾的船上他正在与其他六名船员正在进行对鲨鱼群背部鳍记录的识别项目，一只10英尺长的大白鲨突然间跃上他们的船舷。
Aims: To introduce the clinical effect of the dorsal cutaneous nerve of fingers nutrient vessel skin flap repairing the paratelum of finger cutaneous deficiency.
目的介绍指背皮神经营养血管皮瓣修复手指末节皮肤缺损的临床效果。
Both annelids possess a closed circulatory system with tubular hearts and a dorsal and ventral blood vessel. In both specimens, pin the following.
二种环节动物皆具有闭锁循环系，包括管状的心脏及背血管，腹血管。用大头针标示二标本的下列构造：。
Objective The investitgation of vascularized periosteal flap with dorsal branch of anterior interossea vessel was performed to provide anatomical basis for periosteal flap transposition.
目的为设计以骨间前血管腕背支为蒂的骨膜瓣移位手术的开展提供应用解剖学基础。
Objective:To introduce blood vessel variation and its treatment during the transferring of skin flap pedicled with dorsal carpal branch of ulnar artery.
目的：介绍尺动脉腕上皮支皮瓣移植术中血管变异及变异的处理方法。
Objective:To introduce blood vessel variation and its treatment during the transferring of skin flap pedicled with dorsal carpal branch of ulnar artery.
目的：介绍尺动脉腕上皮支皮瓣移植术中血管变异及变异的处理方法。
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