Scanning electron microscopical examination of gonococcal urethral exudate.

نویسندگان

  • R D Klein
  • I L Roth
  • H S McCullough
چکیده

The relationship of gonococci and phagocytes in gonococcal urethral exudate was examined using a scanning electron microscope. Several stages in the phagocytic process were evident. These included pseudopodias, microvilli, and simple attachment of gonococci to phagocytic surfaces. Epithelial cells, also a part of the exudate, were examined in this study. Parallels are drawn between this and other phagocytic systems. The technique provides excellent preservation of phagocyte-bacterial interrelationships and offers a means of investigating the nature of the resistance of Neisseria gonorrhoeae to phagocytosis.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Scanning electron microscopy and freeze-etching of gonorrhoeal urethral exudate.

Urethral exudates from male patients with gonorrhoea were studied by use of the critical point drying technique for scanning electron microscopy. The surfaces of phagocytes were extensively ruffled. This was interpreted to be the three-dimensional appearance of pseudopodia. Epithelial cells present in the urethral exudate showed a highly convoluted surface structure. Specimens of urethral exuda...

متن کامل

Characteristics of inflammatory cells in urethral smears from men with non-gonococcal urethritis.

Differential cell counts in inflammatory exudates were undertaken in urethral smears from men with non-gonococcal urethritis (NGU) for the first time, recurrent NGU (presumably reinfection) after a new sexual contact, or persistent NGU (in patients with no recent history of sexual exposure). Patients experiencing first episodes of NGU had significantly higher macrophage counts, both in relative...

متن کامل

Ultrastructural analysis of primary human urethral epithelial cell cultures infected with Neisseria gonorrhoeae.

In men with gonococcal urethritis, the urethral epithelial cell is a site of infection. To study the pathogenesis of gonorrhea in this cell type, we have developed a method to culture primary human urethral epithelial cells obtained at the time of urologic surgery. Fluorescent analysis demonstrated that 100% of the cells stained for keratin. Microscopic analyses indicated that these epithelial ...

متن کامل

Oral ciprofloxacin versus ceftriaxone for the treatment of urethritis from resistant Neisseria gonorrhoeae in Zambia.

Neisseria gonorrhoeae strains resistant to treatment with penicillin, tetracycline, and/or spectinomycin are increasing in prevalence in many parts of the world. In Zambia, 52% of N. gonorrhoeae isolates produced beta-lactamase in 1986. Few oral regimens have proven effective for treatment of resistant N. gonorrhoeae. We conducted a prospective, double-blind, randomized clinical trial of 250 mg...

متن کامل

Phagocytosis of PLGA microparticles in rat peritoneal exudate cells: a time-dependent study.

With the purpose of enhancing the efficacy of microparticle-encapsulated therapeutic agents, in this study we evaluated the phagocytic ability of rat peritoneal exudate cells and the preferential location of poly(d,l-lactide-co-glycolic acid) (PLGA) microparticles inside these cells. The microparticles used were produced by a solvent evaporation method and were characterized by dynamic light sc...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • The British journal of venereal diseases

دوره 53 1  شماره 

صفحات  -

تاریخ انتشار 1977