8th February 2024

A 23-year-old male presents with a progressive worsening of his renal function over the past five years.

A 23-year-old male presents with a progressive worsening of his renal function over the past five years. He has associated bilateral sensorineural hearing loss and lenticonus. His grandfather was afflicted with similar issues during his early adulthood. His parents were not affected by this. 

The urine dipstick revealed proteinuria and haematuria. 

Given the likely diagnosis, which of the following structures has been affected?