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Questions and Answers
What does the bony pelvis consist of?
What does the bony pelvis consist of?
- 2 hip bones, sacrum, and 4 pairs of ventral sacral foramina
- 2 hip bones and 3 sacral vertebrae
- 2 hip bones, sacrum, and coccyx (correct)
- 2 hip bones and 5 fused sacral vertebrae
What forms the sacroiliac joint?
What forms the sacroiliac joint?
- Sacrum and coccyx
- Hip bones and sacrum (correct)
- Symphysis pubis and coccyx
- Symphysis pubis and hip bones
What is the normal anatomical position of the pelvis?
What is the normal anatomical position of the pelvis?
- Anterior superior iliac spine & sacral promontory at the same horizontal plane
- Tip of coccyx & upper border of symphysis pubis at the same horizontal plane
- Anterior superior iliac spine & pubic tubercle at the same vertical plane (correct)
- Sacral promontory & upper border of symphysis pubis at the same vertical plane
What is the base of the sacrum formed from?
What is the base of the sacrum formed from?
What passes through the ventral sacral foramina on the pelvic surface of the sacrum?
What passes through the ventral sacral foramina on the pelvic surface of the sacrum?
Where does the peritoneum reflect to form the rectovesical pouch in males?
Where does the peritoneum reflect to form the rectovesical pouch in males?
In females, where does the peritoneum reflect to form the uterovesical pouch?
In females, where does the peritoneum reflect to form the uterovesical pouch?
Where does the peritoneum cover in females after the uterus?
Where does the peritoneum cover in females after the uterus?
At what distance above the anal orifice does the peritoneum form the recto-uterine pouch in females?
At what distance above the anal orifice does the peritoneum form the recto-uterine pouch in females?
What part of the rectum does the peritoneum cover in males?
What part of the rectum does the peritoneum cover in males?
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Study Notes
Bony Pelvis Structure
- The bony pelvis consists of four bones: two innominate bones, the sacrum, and the coccyx.
Sacroiliac Joint
- The sacroiliac joint is formed by the articulation of the auricular surface of the sacrum with the auricular surface of the ilium.
Pelvis Anatomical Position
- The normal anatomical position of the pelvis is when the anterior superior iliac spines and the pubic symphysis are in the same vertical plane.
Sacrum Structure
- The base of the sacrum is formed from the superior surface of the first sacral vertebra.
Ventral Sacral Foramina
- The ventral sacral foramina on the pelvic surface of the sacrum transmit the anterior sacral nerves.
Peritoneum Reflection
- In males, the peritoneum reflects to form the rectovesical pouch at the level of the bladder neck.
- In females, the peritoneum reflects to form the uterovesical pouch at the level of the uterus.
- In females, the peritoneum covers the posterior aspect of the uterus after reflecting from the anterior abdominal wall.
Recto-Uterine Pouch
- In females, the peritoneum forms the recto-uterine pouch at a distance of about 5-6 cm above the anal orifice.
Rectum Peritoneum Coverage
- In males, the peritoneum covers the anterior and lateral surfaces of the rectum.
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