What separates the pelvic cavity from the perineum?
What structures make up the pelvic floor?
all in the urogenital triangle
What are the two muscle groups found in the pelvic floor?
What is the gap between the levator ani muscles called?
What is contained within it?
Urethra (males and females) and vagina (in females)
What is the innermost levator ani muscle?
What does it enclose?
What are the three levator ani muscles?
Pubococcygeus (to anococcygeal ligament, not a true sling)
The levator ani muscles are (contracted / relaxed) by default.
Which somatic motor nerves supply the
aspects of the levator ani muscles?
a) Nerve to levator ani S3-5
b) Pudendal nerve S2-4
Which lateral rotator of the hip is iliococcygeus closely related to?
In what fascia does the neurovasculature of the pelvis descend?
What structures hold the pelvic organs in place?
Can you give an example?
Which pouch is covered superiorly by the levator ani and inferiorly by the perineal membrane?
Deep perineal pouch
Which muscle, found in the male and female, is found in the deep urethral pouch and attaches to the external urethral sphincter?
Which muscle is found posteriorly in the deep perineal pouch but is only named in males?
Deep transverse perineal muscle
Which glands are found within the deep transverse perineal muscle in males?
Bulbourethral glands / Cowper's glands
Which deep gluteal muscle is the iliococcygeus muscle closely related to?
What is the function of the bulbourethral glands?
What female gland are they homologous to?
Secrete lubricant and alkali amongst other things into the semen to improve chances of fertilisation
Bartholin's glands / Greater vestibular glands
Which veins are contained in the deep perineal pouch?
Dorsal veins of the penis / clitoris
What are the contents of the deep perineal pouch?
In both sexes:
urethra, external urethral sphincter, compressor urethrae, fat, dorsal veins
+ deep transverse perineal muscle and bulbourethral glands
Which lower limb muscles are closely related to the pelvic diaphragm muscles?
remember these form the lateral walls of the pelvic cavity
In which space is the root of the penis found in males?
Superficial perineal pouch
The superficial perineal pouch contains the ___ of the penis in males.
root of the penis
What are the two parts of the root of the penis?
Which structure develops from the bulb of the penis?
What is the purpose of the corpus spongiosum?
Transmits spongy urethra
Which structures develop from the two crura of the penis?
What does crura mean?
So the penis has two legs --> corpus cavernosum(s?)
What is the purpose of the corpus cavernosum?
Fill with blood during erection
What are the muscles associated with urination and ejaculation in males?
named for what they attach to
What are the three erector muscles found in the superficial perineal pouch in males?