Fig. 1.

Abnormal renal morphology in Case 2, a 6-year-old macaque with the BBS7−/− mutation. Sagittal abdominal ultrasound images of the affected macaque (A) reveal kidneys with bilateral hypoechoic lesions, pitted cortical surfaces and indistinct margins, features not found in normal controls (representative example in B). The scale bar applies to both A and B.