[TA] fascia surrounding the piriformis muscle, participating in closure of the greater sciatic foramen and sometimes perforated with the muscle, by the fibular nerve portion of the sciatic nerve. Synonym(s): fascia musculi piriformis [TA]
pir·i·for·mis fas·ci·a
(piri-fōrmis fashē-ă) [TA] Fascia surrounding piriformis muscle.