(Greek: buttock, butt, rump; muscles of the buttocks; sometimes, it means "round")

Situated within the gluteal muscle or introduced into the gluteal muscle: "The doctor made an intragluteal injection."
A reference to the ischium and the buttocks.

The ischium is the lowest of the three major bones that make up each half of the pelvis.

sulcus gluteus, gluteal fold
A prominent fold that marks the upper limit of the thigh from the lower limit of the buttock.

It coincides with the lower border of the gluteus maximus muscle and is the furrow between the buttock and the thigh.

superior gluteal nerve
A nerve formed by branches of the sacral plexus which supplies muscles in the gluteal region.

The sacral plexus is a network of motor and sensory nerves originating from the nerves of the sacral spine and innervating large areas of the lower trunk and legs; especially, via the sciatic nerves which extend through the muscles of the thigh, legs, and feet, with numerous branches.

vena gluteus, gluteal vein
Veins that drain the gluteal muscles on either side of the body.