Hip Bones Labeling Quiz

Questions and Answers

What is the name of the bone that is the largest component of the hip bone?

ilium

What is the term for the uppermost ridge of the ilium?

iliac crest

What is the area on the internal surface of the ilium called?

iliac fossa

What is the name of the bony prominence located at the front of the ilium?

anterior superior iliac spine Signup and view all the answers

What is the bony projection just below the anterior superior iliac spine called?

anterior inferior iliac spine Signup and view all the answers

What is the name of the lower part of the hip bone?

ischium Signup and view all the answers

What is the bony projection known as the spine of the ischium?

spine (of ischium) Signup and view all the answers

What is the name of the main body of the ischium?

body (of ischium) Signup and view all the answers

What is the part known as the ramus of the ischium?

ramus (of ischium) Signup and view all the answers

What is the name of the bone that forms the front portion of the hip?

pubis Signup and view all the answers

What is the upper branch of the pubis called?

superior ramus (of the pubis) Signup and view all the answers

What is the lower branch of the pubis known as?

inferior ramus (of the pubis) Signup and view all the answers

What is the term for the joint formed by the pubic bones?

pubic symphysis Signup and view all the answers

What is the term for the body portion of the pubis?

body (of the pubis) Signup and view all the answers

What is the name of the base of the sacrum?

base of sacrum Signup and view all the answers

What is the joint called that connects the sacrum and the ilium?

sacroiliac joint Signup and view all the answers

What is the term for the frontal surface of the sacrum?

pelvic surface of sacrum Signup and view all the answers

What is the opening called that forms the upper boundary of the pelvic cavity?

pelvic inlet Signup and view all the answers

What is the term for the small bone at the end of the vertebral column?

coccyx Signup and view all the answers

What is the name of the depression in the pelvis for the head of the femur?

acetabulum Signup and view all the answers

What is the term for the large opening in the pelvis formed by the ischium and pubis?

obturator foramen Signup and view all the answers

What is the term for the upper region of the true pelvis?

greater pelvis Signup and view all the answers

What is the term for the edge of the pelvic cavity that separates the greater and lesser pelvis?

pelvic brim Signup and view all the answers

Males' pubic arch is smaller (90 degrees) than women's (120 degrees). Pelvic brim is ______ in women.

wider/rounder Signup and view all the answers

Study Notes

Hip Bones Overview

The ilium is the largest part of the hip bone, providing structure and support.
The iliac crest is the upper curved edge of the ilium, important for muscle attachment.
The iliac fossa is the concave surface on the internal side of the ilium, facilitating muscle attachment.

Specific Features of the Ilium

Anterior superior iliac spine (ASIS) is a prominent bony projection, serving as a landmark for anatomical orientation.
Anterior inferior iliac spine (AIIS) is located below the ASIS and serves as another attachment point for muscles.

Ischium Characteristics

The ischium forms the lower posterior part of the hip bone, contributing to pelvic structure.
The spine of the ischium is a pointed projection that provides attachment for ligaments and muscles.
The body of the ischium forms a significant part of the hip bone's structure.
The ramus of the ischium extends towards the pubis, supporting pelvic integrity.

Pubis Anatomy

The pubis is the anterior portion of the hip bone, important for the connection of both sides.
Superior ramus of the pubis connects with the ilium and ischium, contributing to the acetabulum's formation.
Inferior ramus of the pubis aids in forming the obturator foramen and supports pelvic structure.
The pubic symphysis is the cartilaginous joint between the left and right pubic bones, allowing slight movement.
The body of the pubis is the central part of the pubic bone, contributing to the pubic arch.

Pelvic Structure and Function

The base of the sacrum is the upper part of the sacrum that connects to the ilium at the sacroiliac joint.
The sacroiliac joint plays a crucial role in connecting the spine to the pelvis, allowing limited movement.
The pelvic surface of the sacrum is the part that faces inward towards the pelvis, providing stability.
The pelvic inlet is the opening at the top of the true pelvis, significant for childbirth and passage of organs.

Additional Important Structures

The coccyx is the small, triangular bone at the base of the vertebral column, serving as an attachment point for ligaments.
The acetabulum is the cup-shaped socket on the hip bone that receives the head of the femur, forming the hip joint.
The obturator foramen is the large opening in the hip bone, serving as a passage for nerves and blood vessels.

Pelvic Differences Between Genders

Males typically have a smaller pubic arch (about 90 degrees) compared to females, whose pubic arch is broader (approximately 120 degrees).
Females generally possess a wider and rounder pelvic brim to facilitate childbirth, while males have a narrower pelvic structure.

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Description

Test your knowledge on the anatomy of the hip bones by labeling various parts such as the ilium, ischium, and their components. This quiz will help you familiarize yourself with crucial terms and structures that are essential for understanding human anatomy.