Assertion: circulatory system's vein | /r/CapableOf | project into pleural cavity
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Source sentences:
text: The intracranial venous drainage would appear to be almost entirely via veins, sinuses or retial tissue in the vertebral canal.7The Pinnipedia have a well-developed azygos system; the Cetacea either a poorly developed one or none at all.8All specimens of Pinnipedia, except Zalophus, and those Cetacea examined show a venous plexus or a single vein encircling the pericardium and projecting into the pleural cavity and draining into the thoracic posterior vena cava.9Certain experiments carried out on anaesthetized seals are described.