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Anatomy Second Semester > Male Pelvic Contents And Anal Triangle > Flashcards

Male Pelvic Contents And Anal Triangle Flashcards

1
Q

What is the vas deferens

A

A muscular tube

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2
Q

Where does the spermatic cord run through

A

The inguinal canal

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3
Q

Where do the vas deferens and urethra meet

A

In the prostate gland

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4
Q

What is formed when the vas deferens and the urethra meet

A

The common tract between the urinary and reproductive systems

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5
Q

What duct does the vas deferens join

A

A duct from the seminal vesicles

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6
Q

The joining of the seminal vesicles and the vas deferens forms

A

The ejaculatory duct

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7
Q

What does the ureter pass over

A

The bifurcation of the common iliac

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8
Q

Where do both the urethra and vas deferens head towards

A

The bladder

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9
Q

Where does the prostate gland sit in relation to the bladder

A

Inferiorly

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10
Q

What does the prostate gland do

A

It adds to the liquid component of semen

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11
Q

what does the prostate create

A

Proteolytic enzymes and acid phosphatase

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12
Q

Where is the widest part of the urethra

A

Within the prostate gland

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13
Q

What supplies the prostate with blood

A

Internal pudendal, middle rectal and inferior vesicle arteries

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14
Q

What is the last branch of the common iliac before the ischial anal fossa

A

The internal pudendal

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15
Q

What drains blood from the prostate

A

A venous plexus within the surrounding connective tissue

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16
Q

Where do the veins that contribute to the venous plexus around the prostate come from

A

Dorsal vein of the penis and the internal iliac

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17
Q

What structures support the prostate gland

A

The puboprostatic ligament, levator prostatae and the pelvic floor

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18
Q

Describe the posterior surface of the prostate

A

It has two lobes with a groove running through the middle

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19
Q

What are the different types of prostatic enlargement

A

Bengin and malignant

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20
Q

What incircles the prostate

A

Sphincter vesicae

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21
Q

What is the function of the seminal vesicles

A

They secrete the liquid component of semen which contains fructose

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22
Q

What type of structures are the seminal vesicles

A

They are sub-peritoneal

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23
Q

What covers the seminal vesicles

A

Connective tissue

24
Q

What provides the blood supply for the seminal vesicles

A

Prostatic artery

25
Q

Other than the seminal vesicles, what else does the prostatic artery also supply

A

The prostate gland

26
Q

Where does the anal triangle run from/to

A

The ischial tuberosities to the coccyx

27
Q

What is within the anal triangle

A

The anal canal

28
Q

What are the walls of the ischial fossa composed of

A

The ischial tuberosity and the rectum/anal canal

29
Q

What is the roof of the ischial fossa composed of

A

Elevator ani

30
Q

What is the floor of the ischial fossa composed of

A

Skin

31
Q

What is within the ischial fossa

A

Branches of the pudendal nerve, artery and vein and adipose tissue

32
Q

What takes motor supply to the pelvic floor

A

The inferior rectal branches of the pudendal

33
Q

Where do the main pudendal nerve and artery sit

A

In the pudendal space

34
Q

Where does the pudendal nerve come from

A

The sacral plexus

35
Q

What type of nerve is the pudendal nerve

A

Sympathetic

36
Q

Where does the anal canal start

A

Where the rectum pierces the pelvic floor

37
Q

What do the anal columns contain (CHECK THIS!!!)

A

A terminal radicle of the superior rectal vessels

38
Q

What is the anal columns related to

A

The anal sinus

39
Q

What are the muscles surrounding the rectum

A

The internal anal sphincter and the external anal sphincter

40
Q

Which anal sphincter is voluntary/involuntary

A

Voluntary - external

Involuntary - internal

41
Q

Which anal sphincter is smooth/skeletal muscle

A

Smooth - internal

Skeletal - external

42
Q

What supplies blood to the rectum

A

The superior rectal, middle rectal, internal pudendal and inferior rectal arteries

43
Q

Where do the arteries branch from above the pectinate line

A

The internal mesenteric artery

44
Q

Where do the arteries branch from below the pectinate line

A

The internal iliac artery

45
Q

Where does the veins from the rectum drain

A

Above the pectinate line - portal venous system

Below the pectinate line - canal venous system

46
Q

Where do lymphatics from the anal canal drain

A

Above the pectinate line - internal iliac nodes

Below the pectinate line - superficial inguinal nodes

47
Q

What type of nerve innervation is provide for the anal canal

A

Above the pectinate line - visceral motor and sensory innervation
Below the pectinate line - somatic motor and sensory innervation

48
Q

What is the external anal sphincter composed of

A

Skeletal muscle

49
Q

Where does the external anal sphincter run from/to

A

Perineal body to the annococcygeal ligament

50
Q

What supports the posterior side of the anal sphincter

A

The ligament from the coccyx

51
Q

What is the function of the external anal sphincter

A

It is involved in closing the anus

52
Q

What assists the external anal sphincter

A

Puborectalis muscle

53
Q

What provides innervation for the external anal sphincter

A

The inferior rectal branch of the pudendal nerve (S2-S4)

54
Q

What is the pectinate line

A

The site of the anal membrane in a foetus

55
Q

What is the anocutaneous line

A

The transition to true skin from the external anal sphincter

Anatomy Second Semester (27 decks)

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