When disease involves the sphenoid, the sinus can be penetrated either intranasally or through the posterior ethmoid.
当病变累及蝶窦，可以经鼻内和后组筛窦进入蝶窦。
Antibodies against CS6 and LPS of Shigella can be detected in sera of mice immunized with recombinant bacteria either orogastrically (o. g. ) or intranasally (i. n. );
