更多perivisceral例句

1. Its anterior end opens, in most cases by a single opening, into the perivisceral cavity in both sexes, and is usually ciliated.
2. Perienteron, per-i-en′te-ron, n. the primitive perivisceral cavity.
3. There is a perivisceral cavity, and the body walls are traversed by excretory tubes.
4. The reproductive organs are modified patches of the peritoneum, or lining of the perivisceral cavity.
5. It had apparently the perivisceral cavity and nephridia of the schematic worm, and a circulatory system.