saclike

基本解释

The saclike cavity within the body of a coelenterate.
在一个浅墓穴里发现了尸体。
The enlarged, saclike portion of the alimentary canal, one of the principal organs of digestion, located in vertebrates between the esophagus and the small intestine.
消化道中的膨大的囊状部分，主要的消化器官之一，位于脊椎动物的食道与小肠之间。
odict.net
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。