Research Article

Effect of Laser Acupuncture on Disuse Osteoarthritis: An Ultrasound Biomicroscopic Study of Patellar Articular Cartilage in Rats

Figure 2

(a) A picture of a typical patellar specimen fixed in the container. Three dashed lines present the locations of three ultrasound scanning lines in the central of the patella. (b) Schematic of the UBM system used to assess acoustic parameters and cartilage thickness.