Anatomy of the Hip Bone
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Questions and Answers

What are the three parts that form the hip bone?

Ilium, ischium, pubis

What is the name of the structure where all three parts of the hip bone meet?

Acetabulum

What is the function of the acetabulum?

To articulate with the head of the femur and form the hip joint

What is the name of the deep cup-shaped concavity on the lateral side of the hip bone?

<p>Acetabulum</p> Signup and view all the answers

What is the name of the broad, C-shaped area lined by hyaline cartilage in the acetabulum?

<p>Articular lunate surface</p> Signup and view all the answers

What is the function of the obturator foramen?

<p>To serve as a passage for blood vessels and nerves</p> Signup and view all the answers

What is the name of the structure that closes the obturator foramen in the living body?

<p>Obturator membrane</p> Signup and view all the answers

What is the name of the process that separates the greater and lesser sciatic notches?

<p>Ischial spine</p> Signup and view all the answers

What is the name of the structure located inferior to the lesser sciatic notch?

<p>Ischial tuberosity</p> Signup and view all the answers

What is the function of the iliac crest?

<p>To provide attachment for muscles and ligaments</p> Signup and view all the answers

What is the name of the nonarticular surface in the acetabulum?

<p>Acetabular fossa</p> Signup and view all the answers

What are the three parts of the hip bone fused by during puberty?

<p>Ilium, ischium, pubis</p> Signup and view all the answers

What are the three main parts of the hip bone?

<p>The three main parts of the hip bone are the ilium, ischium, and pubis.</p> Signup and view all the answers

What is the function of the obturator canal?

<p>The obturator canal serves as a route for neurovascular structures between the pelvic cavity and lower limb.</p> Signup and view all the answers

Which part of the hip bone is the largest and widest?

<p>The ilium is the largest and widest part of the hip bone.</p> Signup and view all the answers

What muscle originates from the iliac fossa?

<p>The iliacus muscle originates from the iliac fossa.</p> Signup and view all the answers

What joint does the sacropelvic surface of the ala of ilium articulate with?

<p>The sacropelvic surface of the ala of ilium articulates with the sacrum to form the sacroiliac joint.</p> Signup and view all the answers

Which muscles attach to the external gluteal surface of the ala of ilium?

<p>The gluteus maximus, medius, and minimus muscles attach to the external gluteal surface of the ala of ilium.</p> Signup and view all the answers

What is the iliac crest used for?

<p>The iliac crest provides attachment for abdominal and back muscles.</p> Signup and view all the answers

What does the ischial tuberosity support?

<p>The ischial tuberosity supports the body when sitting and is an important site for muscle attachment.</p> Signup and view all the answers

What are the main components of the pubis?

<p>The pubis consists of the body, superior pubic ramus, and inferior pubic ramus.</p> Signup and view all the answers

What is the function of the pecten pubis?

<p>The pecten pubis forms a part of the linea terminalis and pelvic inlet.</p> Signup and view all the answers

What muscles are associated with the ischiopubic ramus and body of pubis?

<p>The ischiopubic ramus and body of pubis are associated with muscles of the medial femoral compartment of the thigh and some abdominal muscles.</p> Signup and view all the answers

What does the linea terminalis mark?

<p>The linea terminalis marks the boundary between the greater and lesser pelvis and the plane of the pelvic inlet.</p> Signup and view all the answers

Study Notes

Anatomy of the Hip Bone: Ilium, Ischium, and Pubis

  • The obturator canal remains open superiorly, serving as a route for neurovascular structures between the pelvic cavity and lower limb.
  • The ilium is the largest and widest part of the hip bone, consisting of the body of ilium and the ala of ilium (wing of ilium).
  • The iliac fossa is a shallow concave surface on the medial surface of the ala of ilium, giving origin to the iliacus muscle.
  • The sacropelvic surface of the ala of ilium has an auricular surface that articulates with the sacrum to form the sacroiliac joint.
  • The external gluteal surface of the ala of ilium gives attachment to the gluteus maximus, medius, and minimus muscles.
  • The iliac crest, running between the anterior superior and posterior superior iliac spines, is easily palpable and provides attachment for abdominal and back muscles.
  • The ischium consists of the body of ischium and the ramus of ischium, which fuses with the inferior pubic ramus to complete the obturator foramen.
  • The ischial tuberosity, located on the posteroinferior aspect of the ischium, is an important site for muscle attachment and supports the body when sitting.
  • The pubis is the most anterior portion of the hip bone, consisting of the body, superior pubic ramus, and inferior pubic ramus.
  • The pecten pubis, located on the superior pubic ramus, forms a part of the linea terminalis and pelvic inlet.
  • The ischiopubic ramus and body of pubis are associated with muscles of the medial femoral compartment of the thigh and some abdominal muscles.
  • The linea terminalis is a line that marks the boundary between the greater and lesser pelvis and the plane of the pelvic inlet.

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Test your knowledge of the anatomy of the hip bone with this quiz. Learn about the different parts of the hip bone including the ilium, ischium, and pubis, and their functions. Challenge yourself and improve your understanding of the hip bone's structure.

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