Page 32 - Practical Handout bio 2 mnu 2025_Neat
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Level two – Semester 4 - PharmD      Biochemistry-II PB-403 (Practical course)     2024/2025


                                                         3.  Color

                                                               due to the presence of 3 pigments:
                          a)  Normal
                                              pale to dark       a)  Urobilin.
                            urine color
                                                 yellow          b) Urochrome.

                                                                 c)  Uroerythrin.

                                                               e.g.    diabetes     mellitus    since
                                             Faint yellow
                                                               polyuria  causes  dilution  of urine
                                              or colorless
                                                               pigments


                                                                 ❖ Hematuria:  the  presence  of
                                                                     blood  as  in  the  case  of


                                                                     Bilharziasis.
                                               Tinge red
                                                                 ❖ Excretion  of  certain  drugs,
                        b) Abnormal
                                                                     such as Rifampicin (used in
                               colors
                                                                     the treatment of TB).

                                               Yellowish       e.g. excretion of bile as in case of

                                              green color      jaundice

                                                               e.g.           utilization           of

                                             Orange color      phenazopyridine  drug  (urinary

                                                               tract antiseptic).

                                              Black color      alkaptonuria




                                                 4.  Aspect & Sediment

                        Fresh normal urine                      Clear with no sediment

                                                                                  Non-organized
                          Turbidity and              Organized structures
                                                                                     structures
                    sedimentation may be due
                                                     such as pus cells and     such as phosphate &
                         to the presence of:
                                                             RBCs                 oxalate crystals







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