anatomy 8.3 pt 3
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31 Terms
How does the body of the pubis differ in a female-like pelvis?
It is longer and more rectangular.
How does the body of the pubis differ in a male-like pelvis?
It is shorter and more triangular.
What is the subpubic angle (pubic arch)?
The angle formed where the left and right pubic bones meet at the pubic symphysis.
What is the typical female-like subpubic angle?
Broad, convex, and usually greater than 100°.
What is the typical male-like subpubic angle?
Narrow, V-shaped, and usually less than 90°.
How does the female-like sacrum differ from the male-like sacrum?
It is shorter, wider, and flatter.
How does the male-like sacrum differ from the female-like sacrum?
It is longer, narrower, and more curved.
How does the coccyx differ in a female-like pelvis?
It tilts posteriorly.
How does the coccyx differ in a male-like pelvis?
It is more vertically oriented.
Describe the general appearance of a typical female-like pelvis.
Less massive with gracile processes and less prominent muscle markings.
Describe the general appearance of a typical male-like pelvis.
More massive with robust processes and prominent muscle markings.
How does the overall width of a female-like pelvis compare to a male-like pelvis?
It is wider and more flared.
How does the overall width of a male-like pelvis compare to a female-like pelvis?
It is narrower and more vertically oriented.
What is the shape of the female-like pelvic inlet?
Spacious, wide, and oval.
What is the shape of the male-like pelvic inlet?
Heart-shaped.
How does the acetabulum differ between the sexes?
Female-like pelvis: smaller acetabulum; Male-like pelvis: larger acetabulum.
How does the ilium differ between the sexes?
Female-like ilium is shallower; male-like ilium is deeper and projects farther above the sacroiliac joint.
How does the obturator foramen differ between the sexes?
Female-like: smaller and triangular; Male-like: larger and oval.
How does the ischiopubic ramus differ between the sexes?
Female-like: narrow and sharp; Male-like: broad and flat.
How do the ischial spines differ between the sexes?
Female-like: rarely project into the pelvic outlet; Male-like: frequently project inward into the pelvic outlet.
Which pelvis is generally better suited for childbirth?
Female-like pelvis.
Which pelvis has a wider pelvic inlet and outlet?
Female-like pelvis.
Which pelvis has a heart-shaped pelvic inlet?
Male-like pelvis.
Which pelvis usually has a wider greater sciatic notch?
Female-like pelvis.
Which pelvis usually has a larger, oval obturator foramen?
Male-like pelvis.
Which pelvis usually has a smaller acetabulum?
Female-like pelvis.
Which pelvis usually has a larger acetabulum?
Male-like pelvis.
Which pelvis generally has a posteriorly tilted coccyx?
Female-like pelvis.
Which pelvis generally has a more vertical coccyx?
Male-like pelvis.
Which pelvis usually has a broader pubic arch?
Female-like pelvis.
Which pelvis usually has a narrower pubic arch?
Male-like pelvis.