view in the microscope on trichomonas painted with methylene blue, cytological smear. selective focus on the eyepiece.

background biological biology body cell cervical cervix cytology cytoplasm diagnosis disease female fertile gynecology health healthy human infection intermediate lab laboratory macro men microbiology microscope microscopic microscopy native organism parasite parasitic pathologist pathology preparation reproduction science scientific sex sexual sexually smear std technology test trichinosis trichomonas urogenital vaginal vaginalis view