curve

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curve

 [kerv]
a line that is not straight, or that describes part of a circle, especially a line representing varying values in a graph.
dose-effect curve (dose-response curve) a graphic representation of the effect caused by an agent (such as a drug or radiation) plotted against the dose, showing the relationship of the effect to changes in the dose.
growth curve the curve obtained by plotting increase in size or numbers against the elapsed time.
oxyhemoglobin dissociation curve a graphic curve representing the normal variation in the amount of oxygen that combines with hemoglobin as a function of the partial pressures of oxygen and carbon dioxide. The curve is said to shift to the right when less than a normal amount of oxygen is taken up by the blood at a given Po2, and to shift to the left when more than a normal amount is taken up. Factors influencing the shape of the curve include changes in the blood pH, Pco2, and temperature; the presence of carbon monoxide; alterations in the constituents of the erythrocytes; and certain disease states.
pulse curve sphygmogram.
Spee curve (curve of Spee) the anatomic curvature of the occlusal alignment of teeth, beginning at the tip of the lower canine, following the buccal cusps of the premolars and molars, and continuing to the anterior border of the ramus.
strength-duration curve a graphic representation of the relationship between the intensity of an electric stimulus at the motor point of a muscle and the length of time it must flow to elicit a minimal contraction; see also chronaxie and rheobase. In cardiac pacing it is useful in determining characteristics of a particular pacing electrode and determining the most efficient selection of pacing parameters for an appropriate safety margin.
survival curve a graph of the probability of survival versus time, commonly used to present the results of clinical trials, e.g., a graph of the fraction of patients surviving (until death, relapse, or some other defined endpoint) at each time after a certain therapeutic procedure.

curve

(kerv),
1. A nonangular continuous bend or line.
2. A chart or graphic representation, by means of a continuous line connecting individual observations, of the course of a physiologic activity, of the number of cases of a disease in a given period, or of any entity that might be otherwise presented by a table of figures. Synonym(s): chart (2)
[L. curvo, to bend]
A nonangular deviation from a straight course in a line or surface

curve

(kŭrv)
1. A nonangular continuous bend or line.
2. A chart or graphic representation, by means of a continuous line connecting individual observations of the course of a physiologic activity, of the number of cases of a disease in a given period, or of any entity that might be otherwise presented by a table of figures.
Synonym(s): chart (2) .
[L. curvo, to bend]

curve

(kŭrv)
1. A nonangular continuous bend or line.
2. A chart or graphic representation, by means of a continuous line connecting individual observations, of the course of a physiologic activity, of the number of cases of a disease in a given period, or of any entity that might be otherwise presented by a table of figures.
[L. curvo, to bend]

Patient discussion about curve

Q. I broke my pinkie finger a year ago. It is locked in a curved position. How can I straiten it out?

A. i would let a certified orthopedic look at the finger. treatment is according to the severity of the case. i think Terrany method is about finger physiotherapy. i'm not sure this method is to reshape uneven bone healing. this is a bit different situation, bone can be reshaped, this is how an orthodontic can move teeth- by changing the bone. but it takes a few years. i would go to an orthopedic, i advise you to do the same.

More discussions about curve
References in periodicals archive ?
If a is a spacelike space curve with a timelike principal normal [??], then the following Frenet formulas hold
If [alpha] is a timelike space curve, then the following Frenet formulas hold
Let [alpha] : I [right arrow] [E.sup.3.sub.1] be a pseudonull space curve with curvature functions [kappa](s) = 1 and [tau](s) [not equal to] 0.
Let a space curve [beta] be the evolute of the pseudonull curve [alpha]; then for all s [member of] I
If the space curve [beta] is the evolute of the pseudonull curve [alpha], then, from Theorem 4, we can write
Kose, On Space Curves of Constant Breadth, Doga Math., 1(1986), No.
In addition to amplitude and phase graphs, three-dimensional space curves are shown, which emphasize the vector relationships involved.
Well-known partner curves are the Bertrand curves, which are defined by the property that at the corresponding points of two space curves the principal normal vectors are common.
If there exists a correspondence between the space curves C and C* such that the principal normal lines of C coincide with the binormal lines of C* at the corresponding points of curves, then C is called a Mannheim curve and [C.sup.*] is called a Mannheim partner curve of C.
The overall framework for the space curves is just shown in Fig.
The inlet space curves are built up based on the mathematical equations, by changing the corresponding parameters the shape of curves is also altered, the multivalve intake port models is more robust.

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