管状的

Fig.2—8 SEM observation of the isolated secondary wall from tracheary elements.

图2—8为扫描电镜下观察到的管状分子离体次生壁。

They creep along the seabed, their whiskery vibrissae probing the surface to feel for the tubes of buried mollusks.

牠们沿海底爬行，用胡子般的触须探测海床，搜寻埋在底下的管状软体动物。

Methods Incommodious bile duct was restored by making gallbladder one (lamella) with cystic artery into half-cannular or cannular gallbladder one (lamella).

方法利用带囊动脉的囊瓣修制半管状、管状的囊瓣修复管狭窄。

In a pennaceous feather, the barbs grow helically around the tubular feather germ and fuse on one side to form the rachis.Simultaneously, new barb ridges form on the other side of the tube.

在正上，枝以螺旋形绕著管状的芽生长，在管子的一侧接合在一起形，同时在管子的另一侧形新的枝脊。