It may originate in the sheath either of the psoas or of the iliacus muscle; more frequently it seems to form behind these, and is connected with diseased bone.
The Iliacus Internus hath its Origine in all the Lips of the inner Cavity of the Os Ilion, and being joyn'd by a Tendon to the Lumbaris, is inserted with it in the lesser Trochanter.
The Abductors of the Thigh are the Iliacus Externus, or Pyriformis, the Quadratus, and the Gemelli.
On its outer side are situated the anterior crural nerve, and the femoral parts of the psoas and iliacus muscles.
This membrane is then to be gently raised by the fingers, from off the iliacus and psoas muscles as far inwards as the margin of the true pelvis where the artery lies.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "iliacus" in a variety of sentences. We hope that you will now be able to make sentences using this word.