<unk>  (or the<unk><unk> ,<unk>  glomeruli, or glomerular<unk>  is a cup-like sac at the beginning of the tubular component of a nephron in the mammalian kidney that performs the first step in the filtration of blood to form urine. A glomerulus is enclosed in the sac. Fluids from blood in the glomerulus are collected in the<unk> .
Bowman's capsule
Bergmeister's papilla
Reticular membrane
Lymphatic endothelium
Bruch's membrane
Collyrium
Ghon's complex
Huxley's layer