- - dependent d. d. from the lowest part and into a receptacle at a level lower than the structure being drained. SYN: downward d..- downward d. SYN: dependent d..- infusion-aspiration d. a type of d. in which antibiotics are continuously infused into a cavity at the same time fluid is being drained (aspirated) from the cavity.- open d. d. allowing air to enter.- postural d. d. used in bronchiectasis and lung abscess. The patient's body is positioned so that the trachea is inclined downward and below the affected chest area.- through d. d. obtained by the passage of a perforated tube, open at both extremities, through a cavity; in addition, the cavity can be washed out by a solution passed through the tube.
* * *drain·age 'drā-nij n1) the act or process of drawing off fluids from a cavity or wound by means of suction or gravity2) a process of releasing internal conflicts or pent-up feelings (as hostility or guilt)
* * *n.the drawing off of fluid from a cavity in the body, usually fluid that has accumulated abnormally. For example, serous fluid may be drained from a swollen joint, pus removed from an internal abscess, or urine from an overdistended bladder. See also drain.
* * *drain·age (drānґəj) the systematic withdrawal of fluids and discharges from a wound, sore, or cavity.
Medical dictionary. 2011.