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Anatomy Second Semester > Urogenital Triangle > Flashcards

Urogenital Triangle Flashcards

1
Q

Where does the urogenital triangle run from/to

A

The ischial tuberosities to the pubic symphysis

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2
Q

What is within the urogenital triangle

A

The urethra

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3
Q

Describe the fascia within the urogenital triangle

A

Fatty and membranous

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4
Q

What is Campers fascia continuous with

A

Ischiorectal fossa and the thigh

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5
Q

What makes up the fatty fascia of the UT

A

Camper’s fascia

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6
Q

What is Camper’s fascia replaced by in the scrotum

A

Dartos smooth muscle

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7
Q

What comprises the membranous fascia

A

Scarpa’s fascia

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8
Q

What does Scarpa’s fascia become

A

Colle’s fascia

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9
Q

Where does the membranous fascia attach to/ insert into

A

Posterior border of the UT diaphragm and inserts into the labia/scrotum

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10
Q

What is the urogenital diaphragm composed of

A

Two layers of fascia and a layer of muscle

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11
Q

Describe the superficial layer of fascia in the UD

A

It is deep and blends with the perineal body and membrane

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12
Q

Describe the layer of muscle in the UD

A

Composed of sphincter urethrae and deep transverse perineal muscles

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13
Q

Describe the inferior layer of fascia in the UT

A

It is superficial and is known as the perineal membrane

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14
Q

What pierces the UD in both sexes

A

The urethra

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15
Q

Describe the sphincters within the urethra

A

Involuntary composed of smooth muscle

Voluntary composed of skeletal muscle

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16
Q

What happens to the layers of the UD anteriorly

A

They fuse

17
Q

Fusion of the layers of the UD causes what

A

A small gap to be left near the pubic symphysis

18
Q

What happens to the posterior layers of the UD

A

The membranous superficial fascia and perineal body fuse

19
Q

What is the space between the layers of the UD known as

A

The deep perineal pouch

20
Q

What is within the deep perineal pouch

A

Urethra, sphincter urethrae, deep transverse perineal muscles, internal pudendal vessels and branches, and pudendal (perineal) nerve

21
Q

What is with the deep perineal pouch of a female

A

The vagina and the dorsal nerve of the clitoris

22
Q

What is within the deep perineal pouch of the male

A

The membranous urethra, dorsal nerves of the penis, bulbourethral glands and penile arteries

23
Q

Where is the superficial perineal pouch

A

Between the perineal membrane + superficial fascia of the UD and the skin

24
Q

What is within the superficial perineal pouch

A

Ischiocavernosus, bulbospongiosus and superficial transverse perineal muscles, urethra, vagina, clitoris, erectile tissue, nerves and vessels

25
Q

What are the erectile tissues

A

Crura, bulb of the vestibule (female)/bulb of the penis (male)

26
Q

What is the perineal body

A

A small fibrous structure that sits on the posterior margin of the UD

27
Q

What attaches to the perineal body

A

External anal sphincter, bulbospongiosus and superficial transverse perineal muscles

28
Q

What is the penis composed of

A

The bulb of the penis, corpus spongiosum, corpus cavernosum, glans and urethra

29
Q

What are the corpus cavernosum muscles

A

Extension of the crura

30
Q

What is the corpus spongiosum

A

An extension of the bulb of the penis

31
Q

What supplies blood to the penis

A

Deep artery of the penis, dorsal artery of the penis, artery of the bulb and artery of the penis

32
Q

What are the arteries of the penis

A

Perineal branches of the internal pudendal artery

33
Q

What are the four parts of the male urethra

A

Pre-prostatic, prostatic, membranous and spongy

34
Q

What structure is involved in both the urinary and reproductive systems in males

A

The urethra

Anatomy Second Semester (27 decks)

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