The Pelvis Part 1 Flashcards
What four bones make up the adult pelvis?
•Sacrum
•Coccyx
•Right os coxae
•Left os coxae
Which of the bones of the pelvis make up the pelvic girdle?
Ossa coxae
What are two anatomical terms for what is commonly called the hipbone?
•Os coxae
•Innominate bone
With what features of the sacrum does the pelvic girdle articulate?
Left and right auricular surfaces
With what feature of the pelvic girdle does the head of the femur articulate?
Acetabulum
What is the largest and most superior of the three bones of the os coxae?
Ilium
What is the wing shaped portion of the ilium?
Ala
What depression lies on the medial side of the ilium?
Iliac fossa
What features on the lateral side of the ilium are formed by the gluteal muscles?
Anterior, posterior, and inferior gluteal lines
What ear shaped feature of the ilium articulates with the sacrum?
Auricular surface of the ilium
What is the superior ridge of the ilium?
Iliac crest
What is the anterior termination of the superior ridge of the ilium?
Anterior superior iliac spine
What is the posterior termination of the superior ridge of the ilium?
Posterior superior iliac spine
What features lies inferior to the ala of the ilium anteriorly and posteriorly?
Anterior and posterior inferior iliac spines
Through what part of the ilium does the sciatic nerve pass?
Greater sciatic notch
What is the most inferior bone of the os coxae?
Ischium
What is the prominent triangular projection of bone posterior to the acetabulum?
Ischial spine