A drug placed between the gums and cheek (buccal administration) or under the tongue (sublingualadministration) is retained longer so that absorption is more complete.
把一种药物置于齿龈和面颊之间(颊部给药)或置于舌下(舌下给药)则可保留较长时间，使吸收更加完全。
2
The diameter of the brachial artery was measured by color Doppler ultrasound at rest, after reaction hyperemia and after sublingual nitroglycerin administration respectively.
应用彩色多普勒对四组之间的肱动脉进行检测，观察静息状态下、反应性充血后及含服硝酸甘油后的内径变化。
3
The viability of myocardium was evaluated by two dimensional echocardiography in 20 patients with myocardial infarction prior and after nitroglycerin sublingualadministration.