pulmonary cavity

No ctenidium, but a pulmonary cavity; heart with a single auricle, not traversed by the rectum.

No ctenidium, but a pulmonary cavity; operculum with an apophysis.

No shell; limaciform; littoral; female aperture posterior, near anus; a reduced pulmonary cavity with a distinct aperture.

There were no signs of congestion about the brain, but the lungs and pulmonary cavity were filled with blood, a condition which was explained by the fact that the head had been placed head downward in the catch-basin.

Each breath you take will flood every crevice of your pulmonary cavity with oxygen.