| reservoir of infection | Living or nonliving material in or on which an infectious agent multiplies and/or develops and is dependent for its survival in nature. (05 Mar 2000) |
|---|---|
| reservoir of spermatozoa | The site where spermatozoa are stored; the distal portion of the tail of the epididymis and the beginning of the ductus deferens. (05 Mar 2000) |
| reservoir, ommaya | A device implanted under the scalp and used to deliver anticancer drugs to the fluid surrounding the brain and spinal cord. (12 Dec 1998) |
| reset nodus sinuatrialis | Reset of the sinoatrial node produced by premature depolarisation (usually atrial) when the sum of the duration of the premature cycle and the return cycle is less than twice the spontaneous cycle length. Compare: nonreset nodus sinuatrialis. (05 Mar 2000) |
| residence characteristics | Elements of residence that characterise a population. They are applicable in determining need for and utilization of health services. (12 Dec 1998) |
| resident | <specialist> An American term relating to a physician who has completed medical school and an internship and is in the process of receiving specialised training. (09 Oct 1997) |
| resident fish | Fish species that complete their entire life cycle in freshwater. Non-anadromous fish. An example is rainbow trout. (05 Dec 1998) |
| resident physician | <specialist> An American term relating to a physician who has completed medical school and an internship and is in the process of receiving specialised training. (09 Oct 1997) |
| residential facilities | Long-term care facilities which provide supervision and assistance in activities of daily living with medical and nursing services when required. (12 Dec 1998) |
| residential mobility | Frequent change of residence, either in the same city or town, or between cities, states or communities. (12 Dec 1998) |
| residential treatment | A specialised residential treatment program for behaviour disorders including substance abuse. It may include therapeutically planned group living and learning situations including teaching of adaptive skills to help patient functioning in the community. (12 Dec 1998) |
| residua | Plural of residuum. (05 Mar 2000) |
| residual | Remaining or left behind. Origin: L. Residuus (18 Nov 1997) |
| residual abscess | An abscess recurring at the site of a former abscess resulting from persistence of microbes and pus. (05 Mar 2000) |
| residual affinity | Secondary forces that enable apparently saturated atoms, ions, or molecules to attract other atoms or groups, causing such phenomena as complex formation, hydration, adsorption, etc. (05 Mar 2000) |