For oral administration, the most common route, absorption refers to the transport of drugs across membranes of the epithelial cells in the GI tract.
口服是最常用的给药途径，其吸收涉及药物通过胃肠道上皮细胞膜的转运。
2
An anesthetic effect on the oral mucous membranes may occur occasionally, but may be avoided by swallowing the drug quickly with water without crashing the tablet.
偶尔可能对口腔粘膜有麻醉作用，但若不嚼碎药片，而以水送服，上述作用可以避免。
3
The oral rinse flushes out the excess CD44 when it washes over cellular membranes in the throat and mouth.