ureters

• Ureters 


  deliver urine to bladder
• ureters connect to the bladder at such an angle that they are forced closed
• inner mucosa consists of

  transitional epithelium covered by lamina propria of connective tissue
• Mucosa secretions protect the ureter tissues from urine
• middle muscularis layer consists of

  longitudinal and circular layers of smooth muscle
• muscle fibers force urine forward by peristalsis
• outer adventitia consists of

  areolar connective tissue consists of nerves, lymphatic vessels and blood vessels
• As bladder pressure increases

  distal ends of ureters close not allowing urine to leave
• Ureter layers forrals

  A) lumen

  B) transitional

  C) lamina propria

  D) longitudinal

  E) circular

  F) adventitia