This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Located or occurring outside a blood or lymph vessel.

adj. Lacking vessels; nonvascular.

adj. Situated or happening outside of the blood vessels or lymph vessels

adj. Outside the vessels; -- said of the substance of all the tissues.

adj. Destitute of vessels; non-vascular.

Being out of the proper vessel or vessels; without distinct vessels: applied especially to the free circulation of the blood of insects between the viscera and the muscles, without special veins or arteries.

Nonvascular: applied to parts which have no blood-vessels: as, cuticle and cartilage are extravascular structures.

"I believe the intrinsic coagulation system initiated by the contact system would be more important as a host defense system working extravascular tissue space against microbial pathogens than as the haemostatic mechanism."

nonvascular   

noncardiogenic    parenchymal    thromboembolic    supercharge    intravascular    hydrocephalus    hilar    pulmonic    negative-pressure    pleural