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Human Body (Anatomy) > Pelvis 02: Perineum > Flashcards

Pelvis 02: Perineum Flashcards

1
Q

Colle’s Fascia

A

A deep membranous layer of superficial perineal fascia that is continuous with Scarpa’s fascia from the abdomen and Dartos fascia of the scrotum

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2
Q

What does Colle’s fascia fuse with?

A

Inguinal ligament, ischiopubic rami, back of the perineal membrane

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3
Q

Extravasation

A

A fluid leaving a vessel of some sort

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4
Q

What happens when there is a ruptured membranous urethra?

A

Bloody urine in the subperitoneal space

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5
Q

What happens when there is a ruptured spongy urethra?

A

Bloody urine in the superficial perineal pouch; perineal cleft; and the superficial fascial of the scrotum, penis, and abdomen

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6
Q

What does the genital tubercle become in females?

A

Clitoris

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7
Q

What does the genital tubercle become in males?

A

Penis

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8
Q

What do the labioscrotal swellings become in females?

A

Labia majora

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9
Q

What do the labioscrotal swellings become in males?

A

Scrotum

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10
Q

What do the urogenital folds become in females?

A

Labia minora and the bulbs of vestibule

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11
Q

What do the urogenital folds become in males?

A

Penile urethra and corpus spongiosum

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12
Q

Vulva

A

An oval region of the external female genitalia that consists of the mons pubis and the external genitalia itself

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13
Q

What are the components of the female vulva?

A

Clitoral prepuce, clitoral hood, glans clitoris, frenulum of clitoris, labia majora, labia minora, fourchette

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14
Q

Fourchette

A

The frenulum of the labia minora

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15
Q

Clitoral hood

A

The folds of the vulva just above the glans clitoris

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16
Q

Clitoral prepuce

A

The folds of the skin overlaying all of the body of the clitoris; it includes the clitoral hood

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17
Q

Glans clitoris

A

The main “head” of the clitoris

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18
Q

Frenulum of clitoris

A

The folds of the labia minora as they meet at the clitoris

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19
Q

Urethral orifice

A

The dilation of the urethra at the vulva

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20
Q

Hymen

A

The skin body of the vulva between and around the urethra and the vagina

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21
Q

Intriotus

A

The vaginal orifice of the vulva

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22
Q

Vestibule

A

The open space of the vulva enclosed by the labia minora and floored by the hymen

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23
Q

Skene’s glands

A

Paraurethral glands that open by the urethra and run longitudinally around the distal urethra

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24
Q

Bartholin’s glands

A

Opening of the ducts of the greater vestibule

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25
What is special about the histology of Skene's glands?
There are stains found there that are specific to the male prostate
26
Perineal body
A connective tissue that connects the perineal membrane and the anus
27
Subcutaneous perineal pouch
The space in th urogenital triangle between Colle's fascia and the perinea membrane
28
What are the three erectile muscles in the superficial perineal pouch?
Ischiocavernosus, bulbospongiosus, superficial transverse perineal
29
Ischiocavernosus muscle
A skeletal erectile muscle that lines the crura of the clitoris in females and the corpus cavernosum in males
30
Bulbospongiosus muscle
A skeletal erectile muscle that lines the two bulbs of vestibule in females and the corpus spongiosus in males
31
Superficial transverse perineal muscle
A skeletal erectile muscle that runs laterally from the perineal body to the ischial spines
32
Bulb of vestibule
A sack of erectile tissue that is connected to the glans clitoris
33
Corpus cavernosum
A crus of the clitoris
34
Bartholin's glands
A gland that sits at the bottom edge of the bulb of vestibule. It secretes mucus for lubrication during intercourse
35
Is the glans clitoris erectile?
Not really
36
Physiologically, how do erections work?
Blood fills sinuses that are lined with endothelium, expanding the tissue
37
In females, what are the erectile tissues attached to?
They are attached to the interior surface of perineal membrane and to the ischiopubic rami
38
What nerve innervates the female erectile muscles?
Motor nerve to the superfiical perineal muscles
39
What are the muscles that form the female deep perineal pouch?
External urethral sphincter, deep transverse perineal, compressor urethrae, sphincter urethrovaginalis
40
What nerve innervates the female deep perineal pouch muscles?
Branches of the pudendal nerve
41
What are the branches of the pudendal artery?
It gives off the inferior rectal artery and the perineal artery. The pudendal terminates by branching into the Artery of the Bulb of Vestibule and the Dorsal and Deep arteries of the clitoris
42
What artery supplies the female erectile tissue?
Internal pudendal artery
43
What artery supplies the female superficial tissue?
External pudendal artery
44
In the female pelvis, what is the venous passage of the female pelvis from the deep dorsal vein of the clitoris?
Deep dorsal vein of the clitoris -> infrapubic aperture -> vesicular venous plexus around the base of the bladder -> internal illiac vein
45
In the female pelvis, what is the venous passage of the female pelvis from the deep clitoral vein?
Deep clitoral vein -> internal pudendal artery in ischioanal fossa -> internal illiac vein
46
In the female pelvis, what is the venous passage of the female passage from the external pudendal vein?
External pudendal vein -> saphenous vein -> femoral vein -> external illiac vein
47
Glans of the penis
The head of the penis
48
Corona of the penis
The edge of the head of the penis
49
Frenulum of the glans of the penis
The folded tissue at the corona of the penis slightly up into the head
50
Scrotal raphe
A cord that runs down the scrotum
51
Penile raphe
A cord that runs down the body of the penis
52
Navicular fossa
The opening of the urethra at the glans of the penis
53
Prepuce
Foreskin of the penis
54
Corpus spongiosum
The fusion of the two bulbs of vestibules found in males
55
What are the erectile tissue found in males?
Corpus spongiosum (which includes the bulb of the penis, corpus spongiosum penis, glans of penis) and corporal cavernosa
56
How do the male and female erectile tissue compare?
They are exactly the same; only difference is the sizes (as well as the positions of the vagina and urethra)
57
What are the muscles found in the male deep perineal pouch?
External urethral sphincter, deep transverse perineal muscles
58
What nerve innervates the male deep perineal pouch muscles?
Pudendal nerve via the perineal nerve
59
What veins drain the penis?
Internal pudendal veins, prostatic plexus, external pudendal veins
60
What are the sets of veins that drain the male external genitalia?
1) superficial penis and anterior scrotum to the femoral vein 2) Circumflex vein from the corpora cavernosa 3) bulbar, cavernous, and posterial scrotal veins 4) Pampiniform plexus drains the testes
61
What is the lymphatic drainage of the vulva, penis, and scrotum?
Superficial inguinal nodes -> external illiac nodes -> common illiac nodes -> paraortic nodes
62
What is the lymphatis drainage of the testes and ovaries?
Directly into the paraortic nodes
63
What is the dermatome of the mons pubis?
L1
64
What is the dermatome of phallus?
L1
65
What is the dermatome of the posterior scrotum and labia?
S4
66
What is the dermatome of the anus?
S5
67
What are the main branches of the internal pudendal artery?
Inferior rectal, perineal, transverse perineal, artery of the bulb, dorsal artery of the penis/clitoris, deep artery of the penis/clitoris
68
What is the dermatome of the front of the scrotum?
S3
69
What is the detmatome of the labia?
S3

Human Body (Anatomy) (38 decks)

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