英文英文字典

英文英文字典

古腾堡计划中的在线英语-英语词典

Umbilicus的结果

Umbilicus (n.)

The depression, or mark, in the median line of the abdomen, which indicates the point where the umbilical cord separated from the fetus; the navel.

Umbilicus (n.)

An ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled.

Umbilicus (n.)

The hilum.

Umbilicus (n.)

A depression or opening in the center of the base of many spiral shells.

Umbilicus (n.)

Either one of the two apertures in the calamus of a feather.

Umbilicus (n.)

One of foci of an ellipse, or other curve.

Umbilicus (n.)

A point of a surface at which the curvatures of the normal sections are all equal to each other. A sphere may be osculatory to the surface in every direction at an umbilicus. Called also umbilic.