Introduces the hip bone as three fused bones (ilium, ischium and pubis) that join at the pubic symphysis anteriorly and the sacrum posteriorly at the sacroiliac joints. Describes the parts of each component, including the ala and body of the ilium and the body and ramus of the ischium, and where the pubis sits. Includes three pictures, with the note covering the hip bone rather than the sacrum.
Topic 12 of 49 in the MU Sofia syllabus for Anatomy (Bones and Muscles) (Medicine, Years 1 and 2). The free AceMed note covers it in 2 sections, about 101 words (1 min of reading), with 13 flashcards.
In this note
7 BONES OF THE PELVIC
Hip bone (coxal bones)
Hip bone (coxal bones)
The pelvic girdle consists of 2 hip bones, unit anteriorly as a joint called pubic symphysis.
They unit posteriorly with the sacrum at the sacroiliac joints
Each hip bone is composed of 3 fused bones:
fused together around the age of 16 ~ mid 20s
1. Ilium :
↳ the largest of the 3 bones.
↳ Composed of 2 parts :
Superior ala
Inferior body : helps form the acetabulum
2. Ischium :
↳ the inferior, posterior portion of the hip bone.
↳ Composed of :
superior body
Inferior ramus
3. Pubis
↳ the anterior & inferior part of the bone.
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