The saclike cavity within the body of a coelenterate.

体肠腔腔肠动物体内的囊状腔.

One of the saclike vesicles that comprise the endoplasmic reticulum.

池,扁囊构成内质网的囊状小管中的一个.

Bursae are saclike cavities or potential cavities that contain synovial fluid located at tissue sites where friction occurs (eg, where tendons or muscles pass over bony prominences).

滑囊是充满滑膜液的囊状间隙，位于组织间产生摩擦的部位，如肌腱或肌肉经过骨突起的部位。