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EC number: 202-163-5
CAS number: 92-52-4
Comparison of urinary calculi in male and female rats.
Calculi in males:
Shape Spheroid, triangular pyramidal, cubical
Size 0.3-1.0 cm
Color White, yellow, brown, gray, black
Main constituent potassium 4-hydroxybiphenyl-o-sulfate (4-HBPOSK)
Principal elements S, K, P, Ca
Structure Multilayer composed of inside alternating layers (S-K layer and P-Ca layer) and an outside thick layer
Components Inner layer (4-HBPOSK) Outer layer (Ca3(PO4)2)
Distribution of principal elements Inside alternating layers (S-K and P-Ca layers) Outside thick layer (P-Ca)
Calculi in females:
Color White, yellow
Main constituent 4-hydroxybiphenyl (4-HBP)and potassium sulfate
Structure Stone-like lump with the center hole, where the needle crystal exists, and outside thin layer
Components Open hole needle (4-HBP) Open hole surrounding area (KHSO4)
Distribution of principal elements Inside layer (S-K) Outside thin layer (P-Ca)
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