Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Repro System - Anatomy > Male and Female Perineum > Flashcards

Male and Female Perineum Flashcards

1
Q

Where does the perineum lie?

A

Lies inferior to pelvic diaphragm and is most inferior portion of the trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What bony landmarks create the boundary of the perineum?

A

Pubic symphysis
Ischiopubic rami
Coccyx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the 2 triangles which make up the perineum and what bony prominence separates them?

A

Urogenital and anal triangle
Ischial tuberosities

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the fascia stretching between the right and left pubic arch?

A

Superficial perineal fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the main action of the external anal sphincter?

A

Voluntary muscle which surrounds lower 2/3rds of the anal canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the innervation of the external anal sphincter?

A

Branches of the pudendal nerve - S2-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the main action of the superficial and deep transverse perineal muscle?

A

Fixation of perineal body and supports the pelvic floor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the innervation of the superficial and deep transverse perineal muscle?

A

Branches of the pudendal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the main action of the external urethral sphincter?

A

Compresses urethra to maintain urinary continence
Supplied by pudendal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the main action of the bulbospongiosus muscle in males?

A

Facilitates urination, ejaculation and erection
Supplied by pudendal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the main action of the bulbospongiosus muscle in females?

A

Erection of the clitoris and emptying the greater vestibular glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the main action of the isciocavernosus muscle in males?

A

Maintains erection of the penis
Supplied by the pudendal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the main action of the isciocavernosus muscle in females?

A

Maintains erection of clitoris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which structures pierce through the pelvic diaphragm?

A

Urethra and anal canal
Vagina in females

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the 3 parts of the male urethra?

A

Prostatic
Membranous
Penile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the widest part of the male urethra?

A

Prostatic
Widest and most dilatable

17
Q

What is the narrowest and least dilatable part of the male urethra?

A

Membranous
As surrounded by the external urethral sphincter

18
Q

What is the male external genitalia?

A

Testes, scrotum and penis

19
Q

What is the terminal part of the penis?

A

Glans penis
Covered by the prepuce (foreskin)

20
Q

What fascial layer covers the corpus cavernosa?

A

Tunica albuginea

21
Q

What is the urethra transmitted through in males?

A

Corpus spongiosum

22
Q

What is the majority of the erectile tissue in the penis?

A

Corpus cavernosum

23
Q

What supplies the sensory innervation the penis?

A

Dorsal nerve of the penis - branch of the pudendal nerve

24
Q

What is the green area?

A

Corpus cavernosum

25
Q

What is the yellow area?

A

Corpus spongiosum

26
Q

What are the contents of the vulva?

A

Mons pubis, labia majora, labia minora, vestibule, Bertholin’s glands and clitoris

27
Q

What is the vulva supplied by?

A

Pudendal nerve
Internal pudendal artery

28
Q

What is the vestibule?

A

Enclosed by the labia minora and contains the terminal aspect of the vagina and the urethra

29
Q

What is the clitoris comprised of?

A

2 crura, which meet in the midline to form the body
Projects downwards to the prepuce and glans which lie in the anterior labial commissure

30
Q

How long is the anus?

A

Approx. 4cm

31
Q

What is the control under the internal and external sphincter?

A

Internal - autonomic
External - voluntary

32
Q

What are the 2 fat containing fossa which lie inferior to the pelvic floor and lateral to the anal canal?

A

Ischio-anal fossa - allows the anal canal to expand during defaecation

33
Q

What is A?

A

External anal sphincter

34
Q

What is B?

A

Internal anal sphincter

35
Q

What is C?

A

Ischio-anal fossa

36
Q

What enters the ischio-anal fossa through the lesser sciatic foramen?

A

Neurovascular bundle - pudendal nerve, inferior rectal vein and inferior rectal artery

37
Q

What does the neurovascular bundle in the ischio-anal fossa supply?

A

External urethral sphincter, external anal sphincter and levator ani

Repro System - Anatomy (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions