Anatomical Breakdown of the Female Body in Stunning Detail ♀️✨ . . The anatomy of the female pelvis is complex and includes several key structures and openings. Here’s an overview Key Structures Pelvic Bones Ilium The largest part of the pelvis. Ischium The lower, posterior part of the pelvis. Pubis The anterior part of the pelvis. Sacrum A triangular bone at the base of the spine, forming the back of the pelvis. Coccyx The tailbone, located at the very base of the sacrum. Pelvic Inlet and Outle