Chapter 3: Abdomen, Pelvis, and Perineum (continued 6) Flashcards
The pelvic and urogenital diaphragms are innervated by what nerve?
branches of the pudendal nerve
What 2 areas of the body does the pelvic diaphragm separate?
separates the pelvic cavity from the perineum
The pelvic diaphragm is formed by 2 layers of fascia and 2 muscles. What are they?
the levator ani and coccygeus
The puborectalis muscle is a component of what muscle?
levator ani muscle
What is the purpose of the puborectalis muscle?
important in fecal continence
What areas of the body does the puborectalis muscle separate?
the boundary between the rectum and anal canal
Where is the urogenital diaphragm located?
in the perineum inferior to the pelvic diaphragm
What 2 muscles is the urogenital diaphragm formed by?
sphincter urethrae and deep transverse perineus muscles
The urogenital diaphragm extends between what 2 bones?
the ischiopubic rami
The urogenital sphincter is penetrated by what structures in the male and female?
Male: urethra
Female: urethra and vagina
The external urethral sphincter surrounds the prosthatic, membranous, or spongy urethra?
the membranous urethra
Label the Image.
Refer to image.
Label the image.
Refer to image
What will patients with hyperplasia of the prostate often complain about?
An enlarged prostate gland will compress the urethra.
The patient will complain of the urge to urinate often and has difficulty with starting urination
The ureter courses just medial or lateral to the suspensory ligament of the ovary?
ureter courses medial to the suspensory ligament
What structure must be protected when ligating the ovarian vessels?
the ureter
Support for the pelvic viscera is provided by what structures?
pelvic and urogenital diaphragms, perineal membrane, perineal body, and the transverse (cardinal) cervical and uterosacral ligaments
Weakness of support for pelvic viscera can lead to what condition?
prolapse of the uterus into the vagina or herniation of the bladder or rectum into the vagina