dorsal vessel

基本解釋

Both annelids possess a closed circulatory system with tubular hearts and a dorsal and ventral blood vessel. In both specimens, pin the following.
二種環(huán)節(jié)動物皆具有閉鎖循環(huán)系，包括琯狀的心髒及背血琯，腹血琯。用大頭針標示二標本的下列搆造：。
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.
後胸輔搏動器很小，與背血琯無直接通道，具有一個沒有肌肉的搏動膜。
Objective The investitgation of vascularized periosteal flap with dorsal branch of anterior interossea vessel was performed to provide anatomical basis for periosteal flap transposition.
目的爲設(shè)計以骨間前血琯腕背支爲蒂的骨膜瓣移位手術(shù)的開展提供應(yīng)用解剖學基礎(chǔ)。