Laboratory Thirteen The Urinary and Reproductive Systems

Urinary Tract

Male Reproductive System Location of urogenital diaphragm (Cowper’s gland)

Female Reproductive System

Human Ovary Showing Follicle Development

Human Breast

Meiosis (specialized cell division resulting in the chromosome reduction) For Practicum III, learn: –The name of each process resulting in the production of male & female gametes Spermatogenesis & oogenesis –The name of each male & female gamete Spermatozoa & ovum –The number of gametes produced in female and in male 4 spermatozoa & 1 ovum –Name and number (3) of polar bodies produced in female following meiosis

Urinalysis (Measuring the Urine Composition) Follow 13B Procedure on p243 Perform the following tests: –pH (acidity): average = 6 –Clinistix (glucose): average = 0 –Ketostix (ketones): average = 0 –Hemastix (blood): average = 0 –Albustix (Proteins): average = 0 –Blistix or Ictotest (bilirubin): average = 0 These components are not normally seen in urine Record your result on your lab report, p255 –Table 13.2: work in groups to find the associated disorder or disease for each abnormal result. Abnormal components of urine and associated disorders are found in your textbook, page 528, figure 15.1

Bilirubin Test Cut off a square piece from the sheet Put test square (mat) on paper towel Place 10 drops urine on square (used pipette goes into regular trash) Place 1 tablet on square. Do not touch the tablet Add 1 drop of water onto tablet and wait 5sec Add second drop onto tablet. It should spread over the tablet Positive result if the square around the tablet gets dark; otherwise, it’s negative