- May 2, 2026The posterior superior iliac spine is the posterior projection of the iliac crest, producing the two dimples of Venus visible…
- May 2, 2026The pubic symphysis is the secondary cartilaginous joint where the two pubic bones meet at the anterior pelvis, connected by…
- May 2, 2026The pubis is the anterior portion of the hip bone, forming the pubic symphysis at the midline with its counterpart…
- May 2, 2026The ilium is the large, wing-shaped superior portion of the hip bone (os coxae), forming the iliac crest, the posterior…
- May 2, 2026The ischium is the posteroinferior portion of the hip bone, featuring the ischial tuberosity — the bony seat on which…
- May 2, 2026The rectococcygeus muscle is a paired smooth muscle band connecting the posterior rectal wall to the coccyx, part of the…
- May 2, 2026The detrusor vesicae is the smooth muscle coat of the urinary bladder, responsible for bladder storage (by remaining relaxed during…
- May 2, 2026The corrugator cutis ani is a thin smooth and striated muscle layer in the perianal skin, producing the radial puckering…
- May 2, 2026Bulbospongiosus (bulbocavernosus) surrounds the penile bulb and corpus spongiosum in males, and the vaginal orifice and vestibular bulbs in females.…
- May 2, 2026Obturator externus is the deepest of the short external hip rotators, passing posterior to the femoral neck to insert on…