Which of the following muscle in lid is attached to upper margin of superior tarsus: (LQ)
1. Superior tarsal muscle or Muller's muscle is attached directly to the upper margin of superior tarsus and is covered by conjunctiva on its posterior surface.
2. The plates are made up of fibrous tissue.
3. Adult size is reached at 13yrs.
4. Levator palpebrum superioris is attached on the anterior surface of tarsal plate