Found 17,453 definitions starting with O: Page #5

Skip to:OOAOBOC - OEOF - OHOI - OKOL - ONOO - OQOR - OTOU - OWOX - OZ

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one of four connected cavities in the brain; is continuous with the central canal of the spinal cord and contains cerebrospinal fluid
A ventricle
B sundog
C sousing
D foumart