| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
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| RAD | radial artery catheter; radiation absorbed dose; radical; radiography or radiographic; reactive airw... |
| rad | radiation absorbed dose; radial; radian; radical; radius; root [Lat. radix] |
| RM | radical mastectomy; random migration; radon monitor; range of movement; red marrow; reference materi... |
| RND | radical neck dissection; radionuclide dacryography; reactive neurotic depression |
| joints of free upper limb | The joints uniting the bones of the free superior limb girdle; they are the shoulder joint, elbow joint, radioulnar joints, and joints of the wrist and hand. Synonym: articulationes membri superioris liberi, joints of free superior limb, juncturae membri superioris liberi. (05 Mar 2000) |
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| unesterified free fatty acid | Free fatty acids which occur in plasma as a result of lipolysis in adipose tissue or when plasma triacylglycerols are taken into tissues. (05 Mar 2000) |
| free | 1. Exempt from subjection to the will of others; not under restraint, control, or compulsion; able to follow one's own impulses, desires, or inclinations; determining one's own course of action; not dependent; at liberty. "That which has the power, or not the power, to operate, is that alone which is or is not free." (Locke) 2. Not under an arbitrary or despotic government; subject only to fixed laws regularly and fairly administered, and defended by them from encroachments upon natural or acquired rights; enjoying political liberty. 3. Liberated, by arriving at a certain age, from the control of parents, guardian, or master. 4. Not confined or imprisoned; released from arrest; liberated; at liberty to go. "Set an unhappy prisoner free." (Prior) 5. Not subjected to the laws of physical necessity; capable of voluntary activity; endowed with moral liberty; said of the will. "Not free, what proof could they have given sincere Of true allegiance, constant faith, or love." (Milton) 6. Clear of offense or crime; guiltless; innocent. "My hands are guilty, but my heart is free." (Dryden) 7. Unconstrained by timidity or distrust; unreserved; ingenuous; frank; familiar; communicative. "He was free only with a few." (Milward) 8. Unrestrained; immoderate; lavish; licentious; used in a bad sense. "The critics have been very free in their censures." (Felton) "A man may live a free life as to wine or women." (Shelley) 9. Not close or parsimonious; liberal; open-handed; lavish; as, free with his money. 10. Exempt; clear; released; liberated; not encumbered or troubled with; as, free from pain; free from a burden; followed by from, or, rarely, by of. "Princes declaring themselves free from the obligations of their treaties." (Bp. Burnet) 11. Characteristic of one acting without restraint; charming; easy. 12. Ready; eager; acting without spurring or whipping; spirited; as, a free horse. 13. Invested with a particular freedom or franchise; enjoying certain immunities or privileges; admitted to special rights; followed by of. "He therefore makes all birds, of every sect, Free of his farm." (Dryden) 14. Thrown open, or made accessible, to all; to be enjoyed without limitations; unrestricted; not obstructed, engrossed, or appropriated; open; said of a thing to be possessed or enjoyed; as, a free school. "Why, sir, I pray, are not the streets as free For me as for you?" (Shak) 15. Not gained by importunity or purchase; gratuitous; spontaneous; as, free admission; a free gift. 16. Not arbitrary or despotic; assuring liberty; defending individual rights against encroachment by any person or class; instituted by a free people; said of a government, institutions, etc. 17. Certain or honorable; the opposite of base; as, free service; free socage. 18. Privileged or individual; the opposite of common; as, a free fishery; a free warren. 19. Not united or combined with anything else; separated; dissevered; unattached; at liberty to escape; as, free carbonic acid gas; free cells. Free agency, the capacity or power of choosing or acting freely, or without necessity or constraint upon the will. Free bench, to sail with the yards not braced in as sharp as when sailing closehauled, or close to the wind. Origin: OE. Fre, freo, AS. Freo, fri; akin to D. Vrij, OS. & OHG. Fri, G. Frei, Icel. Fri, Sw. & Dan. Fri, Goth. Freis, and also to Skr. Prija beloved, dear, fr. Pri to love, Goth. Frijn. Cf. Affray, Belfry, Friday, Friend, Frith inclosure. Source: Websters Dictionary (01 Mar 1998) |
| free association | Spontaneous verbalization of whatever comes to mind. (12 Dec 1998) |
| free bone flap | Portion of cranium removed and detached from overlying soft tissue structures. (05 Mar 2000) |
| free border | Unattached edge of a sturcture, often opposite the attached edge. See: free border of nail, free border of ovary. Synonym: margo liber, free margin. (05 Mar 2000) |
| free border of nail | The distal border of the nail that overhangs the tip of the digit. Synonym: margo liber unguis. (05 Mar 2000) |
| free border of ovary | The unattached, posterior margin of the ovary. Synonym: margo liber ovarii. (05 Mar 2000) |
| free calcium level | <biochemistry> The ionised calcium represents the calcium (Ca++) that is the metabolically active calcium. Normal values for ionised calcium in the bloodstream should be 4.4 to 5.3 mg/dl for adults and 4.4 to 6.0 mg/dl for children. Elevations may be seen in hyperparathyroidism, metastatic bone tumour, milk-alkali syndrome, multiple myeloma, Paget's disease, sarcoidosis, PTH-secreting tumours (paraneoplastic syndrome) and vitamin D intoxication. Lower than normal values may be seen in hypoparathyroidism, malabsorption, osteomalacia, pancreatitis, renal failure, rickets and vitamin D deficiency. (27 Sep 1997) |
| free-central | A placentation in which the ovules are borne on a free-standing central placenta within the ovary. (09 Oct 1997) |
| free electron | <radiobiology> An electron not bound to an atom, molecule, or other particle via electromagnetic forces. (09 Oct 1997) |
| free electrophoresis | Electrophoresis of substances placed in a solution in a U-shaped tube. (05 Mar 2000) |
| free energy | A thermodynamic term used to describe the energy that may be extracted from a system at constant temperature and pressure. In biological systems the most important relationship is: _G = RTln(Keq), where Keq is an equilibrium constant. (18 Nov 1997) |
| free field | A field (three-dimensional space) in a homogeneous, isotropic medium free from boundaries; in practice, a field in which boundary effects are negligible. (05 Mar 2000) |
| free flap | Island flap in which the donor vessels are severed proximally, the flap is transported as a free object to the recipient area, and the flap is revascularised by anastomosing its supplying vessels to vessels there. (05 Mar 2000) |
| free radical |
an atom or molecule which has at least one electron which is not paired with another electron.
출처: www.pslc.ws/macrog/kidsmac/glossary.htm
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| free radical |
Highly toxic molecules capable of causing damage in brain and other tissue. Free radicals are common by-products of normal chemical reactions occurring in the body, and are believed to accelerate the progression of age-related and other diseases.
출처: naam-alzheimers.lle.org/Glossary.htm
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| free radical |
A molecule that can cause oxidative damage to a cell or tissue. Antioxidants are used to destroy free radicals.
출처: www.blindness.org/research/glossary.asp
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| free radical |
An unstable compound that can damage healthy cells. Creating free radicals is a normal part of cell function, but systems are also in place to neutralize free radicals before they cause damage.
출처: www.welchs.com/healthy/glossary.html
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| free radical |
An atom or group of atoms with one or more impaired electron. Free radicals are very damaging to DNA and proteins and to the fat in cell membranes where a free radical chain reaction can be started. Antioxidants such as vitamin E and C, selenium, zinc, copper and manganese usually neutralise these free radicals. However, if too many are produced they can cause degenerative diseases such as heart disease and cancer. ...
출처: www.lucyburney.co.uk/glossary/
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