Probes for area & volume estimates

	Probe	Tissue	Orientation
Cell volume	Isotropic Nucleator	Thick	Isotropic section
Cell volume	Vertical Nucleator	Thick	Vertical section
Regional & component volume	Cavalieri Estimator Area Fraction Fractionator		Preferential section
Other	Combined Point Intercept		Isotropic section
	Point Sampled Intercept		Isotropic/Vertical section
	Vertical Spatial Grid	Thick	Vertical section
	Surface Weighted Star Volume	Thin	Vertical section
	Planar Rotator		Isotropic/Vertical section
	Optical Rotator	Thick	Isotropic/Vertical section
	Discrete Vertical Rotator	Thin	Vertical section

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