(rare) Inflammation of the diaphragm.

Lacking a diaphragm

(anatomy) The levatores ani and the coccygei on either side of the inner surface of the pelvis.

(anatomy) The urogenital trigone, a musculomembranous structure filling the space under the pubic arch not closed by the pelvic diaphragm.

(anatomy) The tentorium of the hypophysis, a fold of dura mater extending transversely across the sella and roofing over the hypophysis or pituitary body; it is perforated in its center for the passage of the infundibulum.