Pelvis and Perineum Flashcards
What is the angle of inclination?
The angle that the pelvis sits at, the ASIS and pubic symphysis
What is the name of the top point of the sacrum?
The sacral promontory
What angle is formed from horizontal to the line of the sacral promontory makes with the upper margin of the the pubic symphysis?
What is this imaginary line called?
50-60 degrees
The pelvic inlet
What angle is formed from horizontal to the line drawn between the tip ox the coccyx and the lower margin of the pubic symphysis?
What is this imaginary line called?
10-15 degrees
The pelvic outlet
What is the difference in subpubic angle between males and females?
Male subpubic angle < 90
Female subpubic angle > 90
What is the distance between the X2 ischeal spines called?
What is a normal measurement?
Interspinous distance
11-12cm
What is the distance between the sacral promontory and the middle of the pubic symphysis?
The obstetric conjugate
What is the distance between the sacral promontory and the lowest point of the pubic symphysis?
The diagonal conjugate
What are the X2 main muscle groups which make up the pelvic diaphragm?
What are the subgroup muscles of one of the groups?
1) levator ani
- puborectalis
- pubococygeus
- iliococygeus
2) coccygeus
What is the name of a cut to the urogenital triangle muscles during partuition?
An episiotomy
Which cells synthesise sperm?
What is the structure that these cells are found in?
Sertoli cells
Seminiferous tubules
Which cells produce testosterone?
Leydig cells
Once synthesised by Sertoli cells in the seminiferous tubules, where does the sperm drain to?
Name the structures the sperm passes through until it reaches the vas deferens.
Sertoli cells in seminiferous tubules —> rete testis —> efferent ductules —> epididymis —> vas deferens
Which X2 tissues structures make up the penis?
1) corpus spongiosum
2) corpus cavernosum
= bilaterally paired (and surrounding the corpus spongiosum)
Are the ovaries retro or intraperitoneal?
Intraperitoneal