The obturator foramen is a prominent bony structure located in the pelvis region of the human body. It is an important landmark for surgeons and serves as an attachment point for various muscles and ligaments. Some synonyms for the obturator foramen include obturatum, thyroid foramen, thyroid aperture, and obturatory canal. These terms all refer to the same bony structure and are often used interchangeably in medical literature. However, it is important to note that these synonyms may be more commonly used in certain medical specialties or regions, so it is always best to consult with a healthcare professional for clarification.