“…In the current issue, da Costa et al 4 describe their model of healthy and diseased cat and dog hearts that have been cleverly divided into transverse plane section models for use in conjunction with text and ‘real-life’ echocardiographic images to help students more effectively learn the technique. Similarly, the preserved cat kidney model of Lozada-Gallegos et al 5 can be used by students to learn the technique of kidney ultrasound scanning, without the need for preliminary practice on live animal subjects.…”