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=Magnetic Susceptibility=
=Magnetic Susceptibility=
−The magnetic susceptibity is a measure of how much force or torque is experienced by a substance within a magnetic field. (Ferromagnetic substances are diamagnetic with a nearly infinite magnetic susceptibilty). The magnetic susceptibility of calcium carbonate is XXXX, which is relatively high compared to, e.g., calcium hydropaxite, the primary mineral in mammalian bone.
+The magnetic susceptibity is a measure of how much force or torque is experienced by a substance within a magnetic field. Most biological materials are diamagentic, unless they contain metal ions. (Ferromagnetic substances are paramagnetic with very high magnetic susceptibilty). Calcium carbonate is the primary mineral within the otoconia, and it has a magnetic susceptibility of -38.2x10-6 cgs (CRC Handbook?): higher than the susceptibility of calcium hydroxyapatite in bone (0.9x10-6 cgs) [113], but far lower than the susceptibility of ferromagnetic crystals like Fe2O3 (7200x10-6 cgs).
+The Hasenstein lab at UL Lafayette has a nice description of [http://www.ucs.louisiana.edu/~khh6430/magnet.html| how to calculate the force] exerted on a diamagnetic substance in a magnetic gradient.
=Otolith assymetry=
=Otolith assymetry=
=Mutations of otolith organs=
=Mutations of otolith organs=