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Anatomy Exam 3 > 11/3: Pelvic Organs > Flashcards

11/3: Pelvic Organs Flashcards

1
Q

What are the common male and female organs?

A

Ureters, urinary bladder, and rectum

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2
Q

What are the male-specific organs?

A

Ductus deferens, seminal vesicles, prostate, bulbourethral glands

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3
Q

What are the female specific organs?

A

Uterus, ovaries, uterine tubes, cervix, and vagina

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4
Q

What marks the transition from abdomen to pelvis?

A

Pelvic brim

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5
Q

What is the floor of the pelvic cavity?

A

Pelvic diaphragm

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6
Q

What lies inferior to the pelvic diaphragm?

A

Perineum

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7
Q

What is the fibromuscular cutaneous sac located between anus and penis?

A

Scrotum

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8
Q

What is the site of sperm and testosterone production?

A

Testis

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9
Q

What is the storage reservoir for sperm and site of sperm maturation?

A

Epididymis

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10
Q

What is the collection of muscle fibers, vessels, nerves, and ducts that run to and from the testes?

A

Spermatic cord

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11
Q

What functions in temperature control?

A

Cremaster muscle

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12
Q

What is the cremaster muscle innervated by?

A

Genitofemoral nerve

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13
Q

What produces the largest amount of semen by volume?

A

Seminal vesicles - 70%

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14
Q

What do seminal fluid contain?

A

Alkaline Fluid
Prostaglandins
Clotting factors

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15
Q

What do prostatic secretions include?

A

Proteolytic enzymes into semen which break down clotting factors in order to ejaculate (retinas fluid state)

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16
Q

What does the bulbourethral gland secrete?

A

Mucous that functions in lubrication

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17
Q

_________mL per ejaculation with________ spermatozoa per mL

A

3.5-3.5mL; 100mill

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18
Q

What do secretions come from?

A

Seminal vesicles (60-70%)
Prostate (20%)
Bulbourethral glands
Glands in urethral wall

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19
Q

Describe the effect that a vasectomy has on ejaculate

A

Minor effect

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20
Q

What is the widest part of ductus deferens, closest to seminal vesicles?

A

Ampulla

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21
Q

Where do the vas deferens and seminal vesicles meet in the prostate gland to open into prostatic urethra?

A

Ejaculatory duct

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22
Q

What is the source of mature ova and prepares uterus for implantation?

A

Ovary

23
Q

What connects the ovary to the uterus?

A

Uterine tube

24
Q

What are the finger-like projections in the uterine tube?

A

Fimbria

25
Q

What is the function of fimbria?

A

Projections pick up/catch ovulated oocyte and 4 segments leading to the uterus with cilia to beat and push fertilized oocyte to uterine cavity

26
Q

Where does fertilization occur?

A

In the infundibulum area (J part of the uterine tube)

27
Q

What lies between bladder and rectum?

A

Uterus

28
Q

What makes up the uterus?

A

Fundus, body, narrowing isthmus, and cervic

29
Q

In the pelvic line of the male, visceral pain gets carried by?

A

Sympathetics

30
Q

What is the innervation above the inferior peritoneum (above the pelvic pain line)?

A

Pain impulses follow sympathetics back via symp. splanchnic nerves

31
Q

What is the innervation below the inferior peritoneum (below the pelvis pain line)?

A

Pain impulses follow parasympathetics back via pelvic splanchnic nerves S2-S4

32
Q

All visceral afferents other than pain run what pathways?

A

Parasympathetics

33
Q

In males, the prostate and seminal vesicles are where in comparison to the pelvic pain line?

A

Below

34
Q

Where is there potential for infectious material to collect in a female?

A

Rectouterine pouch

35
Q

What is is a fold of peritoneum over the uterus and the bladder, forming a pelvic recess?

A

Vesicouterine pouch

36
Q

Where can we sample suspicious fluid found in a female via imaging?

A

Rectouterine pouch via a procedure called culdocentisis
- needle up through vagina and piercing wall to get to rectouterine pouch (guided radioogically)

37
Q

What is the uterus covered with?

A

Visceral peritoneum

38
Q

What is the broad ligament of the uterus made of?

A

Peritoneum and has three parts

39
Q

What suspends the ovary?

A

Mesovarium

40
Q

What is the largest ligament in the female, from side of uterus to lateral wall of pelvis?

A

Mesometrium

41
Q

What wraps around uterine tube and helps uterine tube move to get fibrae over ovary?

A

Mesosalpinx

42
Q

Where do ovarian vessels run?

A

In the suspensory ligament of the ovary (s.l.o)

43
Q

What ligament connects ovaries to uterine?

A

Ovarian ligament

44
Q

What is the function of the internal iliac artery?

A

Supplies arterial blood to the pelvis and perineum

45
Q

What are two important points of the internal iliac artery?

A
  1. Branching is extremely variable
  2. Anastamoses between its branches (and across midline) are extensive
46
Q

What is the blood supply of the uterus?

A

Uterine artery (branch of internal iliac) and ovarian artery (branch of aorta)

47
Q

What are somatic motor supplied by in the rectum and anus?

A

Pudendal nerve; S2-4

48
Q

What do somatic motor of the rectum and anus do?

A

Contract external anal sphincters

49
Q

What are external anal sphincters made of?

A

Skeletal muscle (voluntary)

50
Q

What are parasympathetics supplied by in the rectum and anus?

A

Pelvic splanchnic nn; S2-4

51
Q

What do parasympathetics of the rectum and anus do?

A

Increase peristalsis of rectum and relax internal anal sphincters

52
Q

What are internal anal sphincters made of?

A

Smooth muscle (involuntary)

53
Q

What are sympathetics supplied by in the rectum and anus?

A

L1-2 do the opposite

Anatomy Exam 3 (12 decks)

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