Limacon
cardioid, from the Latin relating to the heart; used in mathematical drawings/projections for heart shapes. Limacon
A circle. An ellipse. There are lots of fancy shapes as well like a cardio (heart-shaped curve), a limaçon, a lemniscate, and so on.
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Angina
Cardioid- a somewhat heart- shaped curve, being the path of a point on a circle that rolls externally without slipping, on another equal circle. Equation:r = a (1−cosA).
Aorta or right/ left atrium.
Heart-Shaped Scar was created in 2001.
The Heart Shaped Sea was created in 1992.
That means a heart curve.
The philodendron family has heart shaped leaves.
Heart-Shaped Box was created in 1993-02.
Heart of Darkness - Joseph Conrad