The newborn 's flukes and dorsal fin are curled initially but soon become straight and rigid .
新生儿的背鳍和尾鳍刚开始成卷曲状,但很快就会伸展开且定型。
Second dorsal metacarpal artery flap hand repair reconstruction .
第二掌背动脉皮瓣修复手部组织缺损。
Any of several large vigorous pelagic fishes resembling sailfishes but with first dorsal fin much reduced ; worldwide but rare .
与旗鱼属相象的几种大型健壮的远洋鱼,但第一背鳍大部分退化;遍布但稀有。
Effect of selective dorsal and ventral root rhizotomy on micturition activity in rats .
选择性背根与腹根切除手术对大白鼠排尿活动之影响。
Dolphins pop up above the waves , their sharp dorsal fins silhouetted against a horizon where the turquoise gulf of mexico meets an iridescent blue sky .
海豚越出波浪,清晰的背鳍剪影映称着天际,和墨绿的、闪闪发光的墨西哥湾上空蔚蓝色的天空交织在一起。
Up until puberty , males and females look pretty much alike , but at 15 years of age they sprout-and what we mean by that is their dorsal fins start to grow .
在青春期以前,雌鲸和雄鲸在外型上看起来很像,但是到了15岁它们开始发育--也就是说它们开始长背鳍。
Dorsal , pertaining to the back .
背部的、属於背部的。
Came to the end of the line in the dorsal artery near the talus .
沿着这条线到距骨附近的背部动脉。
Respiratory organ located in the dorsal mantle cavity and covered with ciliated cells ; muscles help to circulate water through the gills .