From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

Z-line can refer to:

  • the borders that separate and link sarcomeres within a skeletal muscle
  • a ban on a user's IP address for the purposes of blocking their access to Internet Relay Chat. See Z-line.
  • the gastroesophageal junction that joins the esophagus to the stomach.
  • Z, a New York City Subway service.