Obturator process

The obturator process is an anatomical feature on the pelvis of archosaurs.

It is a raised area of the ischium bone of the pelvis.[1] It is the origin of muscles that attach to the femur and aid in running. These muscles are called M. pubo-ischio-femoralis externus 1 and 2 in crocodylians. In birds the muscles are called the M. obturatorius lateralis and M. obturatorius medialis. They insert on the greater trochanter of the femur.[2] See proximodorsal process

References

  1. ↑ Romer, Alfred S. (1923) "The Pelvic Musculature of Saurischian Dinosaurs" "Bulletin of the American Museum of Natural History" Vol. XLVIII 48:605-617
  2. ↑ Hutchinson, John R.(2001) "The evolution of femoral osteology and soft tissues on the line to extant birds (Neornithes)" "Zoological Journal of the Linnean Society" 131:169-197
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