A 67-year-old man presents with painless gross hematuria. Cystoscopy reveals a papillary bladder lesion, and biopsy is obtained from adjacent normal bladder mucosa. The normal epithelial lining of this organ is specialized to stretch without losing its barrier function to urine. Which of the following epithelial types is most likely present?
- A)Simple columnar epithelium
- B)Stratified squamous epithelium
- C)Simple cuboidal epithelium
- D)Simple squamous epithelium
- E)Transitional epitheliumGABARITO
Explicação
The urinary bladder is lined by transitional epithelium, also called urothelium. This multilayered epithelium changes shape with distention and provides a barrier against the hypertonic and potentially toxic contents of urine. The bladder location and the emph... Ver explicação completa e trilha adaptativa →